Generic Kivexa®: Supreme Court confirms interim injunctive relief

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Case No. 4A_575/2018 (Supreme Court) | Decision of 12 March 2019 on appeal against S2018_004 (FPC) | Decision of 22 October 2018 | ‘Abacavir / Lamivudine’

Please see this Blog here for a detailed review of the first instance decision S2018_004 of the FPC in this matter, granting interim injunctive relief against Sandoz’s generic Kivexa®.

An appeal against a decision in summary proceedings is not so easy anymore as it used to be. In former times, a not easily repairable harm had routinely be assumed on appeal against decisions concerning interim injunctive relief (see BGE 134 I 83, ¶3.1, with further reference). However, the more recent case law requires that the appellant is threatened by a not easily repairable harm (in legal terms) in the specific case at hand; see BGE 144 III 475, ¶1.2, with further reference). In the case at hand, the Supreme Court left it undecided whether the loss of the first mover advantage or reputational damages would be sufficient to meet the threshold. But the Supreme Court noted that the interim injunctive relief also prohibited possession and storage, and the defendant would thus have to destroy all products on stock. The Supreme Court held that this constitutes a not easily repairable harm in the sense of Art. 93(1) lit. a SCA, and the appeal was admissible already for this reason. This surely is lawyer’s playground; but I am wondering why the loss of stock was considered a not easily repairable harm? It surely is a harm. But wouldn’t it be one of the kind that is quite easy to repair?

Further, Sandoz had argued that the plaintiff was not actually at risk of a ‘not easily repairable harm’ as required by Art. 261(1) lit. b CPC.

ViiV corporate tree (section), as illustrated by respondent

In brief, plaintiff ViiV Healthcare UK Ltd is the holder of the Swiss SPC, and is fully owned by ViiV Healthcare Ltd; cf the right branch of the illustration. Likewise, ViiV Healthcare GmbH (holder of the Swiss MA for Kivexa® according to the ‘Spezialitätenliste‘) is fully owned by ViiV Healthcare Overseas Ltd, which in turn is fully owned by ViiV Healthcare Ltd; cf the left branch of the illustration.

The FPC had held that a not easily repairable harm was sufficiently credible; it was ‘obvious and notorious’ that in such group structures of pharmaceutical companies a disadvantage that cannot be easily repaired arises for the group and thus at least indirectly also for the formal holder of the SPC. The FPC failed to see why / to what extent this should not be the case in the present setup.

Es ist offensichtlich und notorisch, dass in derartigen Gruppenkonstellationen von pharmazeutischen Konzernen ein nicht leicht wiedergutzumachender Nachteil bei der Gruppe anfällt und damit wenigstens indirekt auch bei der formellen Inhaberin des Schutzrechts. Inwiefern dies in der vorliegenden Konstellation nicht der Fall sein sollte, ist nicht ersichtlich.

The Supreme Court essentially confirmed this reasoning.

The decision also discusses the dispatch of the Federal Council on the Civil Procedure Code and holds that any impairment of the execution of absolute rights constitutes a not easily repairable harm; BBl 2006, ¶5.19, p. 7354:

[…], wird in der Botschaft zur ZPO ausgeführt, jede Beeinträchtigung in der Ausübung absoluter Rechte bedeute einen nicht leicht wieder gutzumachenden Nachteil ([…]).

Frankly, I don’t see that in the dispatch. In my reading, the dispatch only holds that any impairment of the execution of absolute rights constitutes a harm, but it does not say that this harm is automatically not easily repairable:

Als Nachteil gilt beispielsweise eine Beeinträchtigung der Ausübung absoluter Rechte (z.B. Störung des Eigentums).

As to the alleged lack of novelty over D1 (WO 96/06844), the Supreme Court held that the FPC did not arbitrarily acknowledge novelty based on multiple selections from lists.  In my perception, the Supreme Court suggests that the standard established by the case law of the Boards of Appeal of the EPO in relation to selections from multiple lists of certain length shall be applicable:

Die Beschwerdeführerin stellt zu Recht nicht in Frage, dass auf die Praxis der Beschwerdekammern des EPA abgestellt werden kann.

Thus, let’s do it. Here is the critical paragraph of D1:

[Abacavir] may be administered alone or in combination with […] Nucleoside Reverse Transcriptase Inhibitors (NRTIs) for example zidovudine, zalcitabine, lamivudine, didanosine, stavudine, 5-chloro-2′,3′-dideoxy-3′-fluorouridine and (2R,5S)-5-fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cytosine; non-NRTIs for example nevirapine and α-APA; HIV protease inhibitors for example saquinavir; other anti-HIV agents for example soluble CD4; immune modulators for example interleukin II, erythyropoetin, tucaresol; and interferons for example a-interferon.

Now, does it require a multiple selection from two lists of certain lengths to arrive at the combination of abacavir and lamivudine, in accordance with the established case-law of the Boards of Appeal of the EPO? Does one have to first choose a generic class (NRTIs) and then lamivudine within that class — or does one just have to pick one compound from a single (structured) list of compounds? A decision on that question could have been a very interesting read. But the Supreme Court merely held that the FPC could well assume, without becoming arbitrary, that it would still require a twofold choice and thus a multiple selection from D1.

Selbst wenn daher die Rüge der Beschwerdeführerin begründet wäre (was offen bleiben kann), dass die im angefochtenen Entscheid genannte erste Auswahl keine relevante Wahl im Sinne der Rechtsprechung sein sollte [Anm.: Mono- bzw. Kombinationstherapie], konnte die Vorinstanz ohne in Willkür zu verfallen davon ausgehen, es erfordere immer noch eine zweifache Wahl und damit eine Mehrfachauswahl aus [D1], um zum Gegenstand des Patents der Beschwerdegegnerin zu gelangen.

Now, what? Does any ‘twofold selection’ whatsoever create novelty? I don’t think so. What about the requirement of the Boards of Appeal that the lists have a ‘certain length’? And what about the argument that the above is only a single, yet structured list? While the FPC clearly intended to follow the EPO’s approach, I am not so sure about the Supreme Court’s view on this. Anyway, time will tell …

Reported by Martin WILMING

BIBLIOGRAPHY

Case No. 4A_575/2018 (Supreme Court) | Decision of 12 March 2019 on appeal against S2018_004 (FPC) | Decision of 22 October 2018 | ‘Abacavir / Lamivudine’

ViiV Healthcare UK Ltd. (respondent / plaintiff)
./.
Sandoz Pharmaceuticals AG (appellant / defendant)

Panel of Judges:

  • Dr. Christina KISS
    • Dr. Kathrin KLETT
    • Dr. Martha NIQUILLE

Court Clerk:

  • Linus HUG

Representative(s) of ViiV:

  • Dr. Simon HOLZER (MLL)
  • Louisa Galbraith (MLL)

Representative(s) of Sandoz:

SUPREME COURT
on appeal against S2018_004 (FPC) | Decision of 22 October 2018
Case no.: 4A_575/2018
Decision of: 12 March 2019
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PATENT COURT
Case no.: S2018_004
Decision of: 22 October 2018
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Generic Kivexa®: Interim injunctive relief granted, appeal pending

Reading time: 10 minutes

Case No. S2018_004 | Decision of 22 October 2018

As to the background of this case, please see the report about the hearing of 10 September 2018 on this Blog here.

Appeal pending

Making a long(er) story short: The FPC granted interim injunctive relief to prohibit Sandoz from placing its generic version of Kivexa®, i.e. ‘Abacavir Lamivudine Sandoz®’, on the Swiss market. Noteworthy, Sandoz has apparently already lodged an appeal with the Supreme Court — long before the due date.

The decision is pretty straight-forward, at least at first glance. But still, it comes along with some quite pointed conclusions.

The standard of novelty

D1 (WO 96/06844) is not pre-published prior art, but might be relevant for the assessment of novelty under Art. 54(3) EPC 1973. The timeline is a bit tricky. The FPC holds that the priority claims of the patent in suit are valid, with particular reference to GB 9506490.3, claim 16. Still, D1 might be prior art under Art. 54(3) EPC if i) it had been further prosecuted before the EPO, and ii) the designation fees had been validly paid (R. 23a EPC 1973) — what is actually the case (see EPO Register), but had not been argued by the parties. The FPC thus left this issue undecided and did correctly not investigate this of its own motion. Rather, it moved on to the assessment of novelty vis-à-vis D1 as a matter of precaution, and held that novelty is given.

Interestingly, the German Federal Patent Court had apparently held in an interim assessment (which is not publicly available, to the best of my knowledge) that novelty was not given over D1. Now, how does the FPC explain the different outcome? That’s an interesting read, indeed. In a nutshell, the FPC bluntly notes that the standard of novelty is interpreted differently in Germany and at the European Patent Office — and that the FPC follows the approach taken by the EPO. Noteworthy, the FPC holds that the different standard is taken in particular with selection inventions. I am wondering: With all selection inventions, or only some kind of selection inventions? And what does in particular mean here? Is the different standard not even limited to selection inventions?

Dass das deutsche Bundespatentgericht in seiner vorläufigen Stellungnahme zu einem anderen Schluss gekommen ist, hängt damit zusammen, dass der Neuheitsbegriff in Deutschland anders interpretiert wird als vom Europäischen Patentamt, insbesondere [Anm.: Hervorhebung hinzugefügt] bei Auswahlerfindungen. Während beim europäischen Patentamt ein strenger Massstab angelegt wird hinsichtlich dessen, was im geltend gemachten Dokument des Standes der Technik für Neuheitsschädlichkeit offenbart sein muss (gewissermassen streng fotografischer Ansatz), wird gemäss deutscher Rechtsprechung ein grosszügigerer Massstab angelegt.4 D.h. ein Dokument ist gemäss deutscher Rechtsprechung bei Auswahlerfindungen eher neuheitsschädlich als gemäss Auffassung der Rechtsprechung der Beschwerdekammern des europäischen Patentamts.

Das Schweizer Bundespatentgericht folgt dem Ansatz der Beschwerdekammern des europäischen Patentamts, weswegen wie oben dargelegt Neuheit glaubhaft vorliegt.

4 Vgl. z.B. Moufang in Schulte, PatG, 10. Auflage, §3 Anm. 128 und 129.

Loosely translated:

The fact that the German Federal Patent Court came to a different conclusion in its provisional statement is due to the fact that the concept of novelty is interpreted differently in Germany than by the European Patent Office, in particular [Note: emphasis added] with regard to selection inventions. While the European Patent Office applies a strict standard with regard to what must be disclosed in the asserted prior art document in order to destroy novelty (to a certain extent a strictly photographic approach), according to German case law a more generous standard is applied.4 I.e. according to German case law a document is more harmful to novelty in selection inventions than according to the case law of the Boards of Appeal of the European Patent Office.

The Swiss Federal Patent Court follows the approach of the Boards of Appeal of the European Patent Office, which is why, as explained above, novelty is plausible.

4 See e.g. Moufang in Schulte, PatG, 10th edition, §3 Notes 128 and 129.

Practitioner may or may not share the FPC’s view in this respect. In any event, I feel that I have never seen this in writing, without any sugarcoat. Even Moufang in Schulte (referred to in fn 4 of the decision) only gives examples of decisions of the EPO and in Germany for closed numerical ranges, but does not draw any conclusions beyond that.

About motivation and expectation (of success)

The decision holds that in the assessment of inventive step the question arises whether there was a motivation for the combination of the two active ingredients and a reasonable expectation that this combination would also show the same or at least comparable effectiveness, i.e. that it is effectively a valid alternative; see ¶4.8. But there is no reference in the decision why it should be done this way.

I have mentioned earlier on this Blog here that I do not readily agree with the cumulative application of both the motivation and reasonable expectation of success criteria. And I still don’t. But this issue is not relevant for the outcome of the present matter; the decision denies a motivation and does not deal at all with the issue of a reasonable expectation.

The risk of a not easily repairable harm

Is the plaintiff actually at risk of a ‘not easily repairable harm’ as required by Art. 261(1) lit. b CPC?

ViiV corporate tree (section), as illustrated by respondent

Defendant firmly insisted in the hearing of 10 September 2018 that this is not the case, with reference to an illustration similar to the one shown on the right. In brief, plaintiff ViiV Healthcare UK Ltd is the holder of the Swiss SPC, and is fully owned by ViiV Healthcare Ltd; cf the right branch of the illustration.

Likewise, ViiV Healthcare GmbH (holder of the Swiss MA for Kivexa® according to the ‘Spezialitätenliste‘) is fully owned by  ViiV Healthcare Overseas Ltd, which in turn is fully owned by ViiV Healthcare Ltd; cf the left branch of the illustration.

The decision literally recites what has been argued by the defendant in the written reply to plaintiff’s request for injunctive relief (loosely translated below):

Plaintiff has failed to provide prima facie evidence, let alone to state reasons, and to prove that he would suffer any damage which could not easily be remedied if the request for interim injunctive relief was refused. In particular, the defendant contests the allegations in para. 138-141 of the application, namely the allegations (i) that the applicant would suffer damage consisting of a decrease in the number of units sold in Switzerland; (ii) that the applicant would be affected by a price review by the Federal Office of Public Health; (iii) that the applicant would suffer financial losses in the event of a price review; and (iv) that the Federal Office of Public Health would require the applicant either to reduce the ex-works price of Kivexa® or to accept a higher deductible. In any event, the defendant cannot be held liable for any losses resulting from the market entry of a second generic manufacturer (see the allegations in paragraph 1. 139 of the application regarding Art. 38 of the Swiss Care Allowance Ordinance).

Further, defendant had apparently submitted in writing (again, loosely translated):

Paragraph 14 of the request for interim injunctive relief states that ViiV Healthcare GmbH (hereinafter ViiV Switzerland) is a group company and not a subsidiary of the plaintiff. According to the extract from the commercial register (act. 1_5), ViiV Switzerland is 100% owned by ViiV Healthcare Overseas Limited (UK), which is a 100% subsidiary of the parent company of the ViiV Group, ViiV Healthcare Limited. ViiV Healthcare Limited is the sole shareholder of the applicant.

The above had been submitted under the heading ‘Parties’, but apparently not in relation to the (lack of a) not easily repairable harm. The decision holds that the fact that the plaintiff itself does not suffer any damage due to the aforementioned corporate structure, but rather ViiV Switzerland, had not been asserted by the defendant in his written reply to the request for injunctive relief, but only for the first time at the hearing on 10 September 2018 — i.e., after the closure of the file after a single exchange of briefs (see decision 144 III 117 of the Supreme Court, ¶2.2).

But even if these allegations were admitted into the proceedings, the decision holds that a not easily repairable harm would be sufficiently credible. In the FPC’s view, it is ‘obvious and notorious’ that in such group constellations of pharmaceutical companies a disadvantage that cannot be easily repaired arises for the group and thus at least indirectly also for the formal holder of the SPC. The FPC failed to see why / to what extent this should not be the case in the present setup.

Es ist offensichtlich und notorisch, dass in derartigen Gruppenkonstellationen von pharmazeutischen Konzernen ein nicht leicht wiedergutzumachender Nachteil bei der Gruppe anfällt und damit wenigstens indirekt auch bei der formellen Inhaberin des Schutzrechts. Inwiefern dies in der vorliegenden Konstellation nicht der Fall sein sollte, ist nicht ersichtlich.

As noted above, defendant has apparently already appealed the decision.

UPDATE 10 April 2019:

Defendant’s appeal has been dismissed by the Supreme Court with decision 4A_575/2018 of 12 March 2019; published today.

Reported by Martin WILMING

BIBLIOGRAPHY

Case No. S2018_004 | Decision of 22 October 2018

ViiV Healthcare UK Ltd.
./.
Sandoz Pharmaceuticals AG

Panel of Judges:

  • Dr. Christoph GASSER
  • Dr. Tobias BREMI
  • Marco ZARDI

Judge-rapporteur:

  • Dr. Tobias BREMI

Court Clerk:

  • Susanne ANDERHALDEN

Representative(s) of Plaintiff:

  • Dr. Simon HOLZER (MLL)
  • Dr. Kilian SCHÄRLI (MLL)

Representative(s) of Defendant:

DECISION IN FULL

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ViiV seeking injunctive relief against Sandoz’s generic Kivexa®

Reading time: 9 minutes

Case No. S2018_004 | Hearing of 10 September 2018

ViiV logo

Infringement of ViiV‘s SPC based on EP 0 817 637 B1 is at stake. See EPO Register and Swissreg for bibliographic details of the patent; and Swissreg for further bibliographic details of the SPC C00817637/01.

Claim 1 of EP’637 is straight forward — at least when the IUPAC names of the compouds are replaced with the respective INNs:

A combination comprising [abacavir; ABC] or a physiologically functional derivative thereof and [lamivudine; 3TC] or a physiologically functional derivative thereof.

For the chemists out there, these are the molecules:

Both these compounds are nucleoside reverse-transcriptase inhibitors (NRTIs). Both compounds alone and the fixed-dose combination thereof are included in the WHO Model List of Essential Medicines.

ViiV’s Kivexa®

ViiV‘s own product is Kivexa® (aka Epzicom® in the U.S.); see compendium.ch.

The European public assessment report (EPAR) of the European Medicines Agency (EMA) provides a wealth of further information about this antiretroviral combination therapy for the treatment of Human Immunodeficiency Virus (HIV) infection.

Sandoz‘s generic version ‘Abacavir Lamivudine Sandoz®’ had obtained market approval on December 15, 2017, and it has been listed since April 1, 2018; see compendium.ch.

Sandoz logo

Sandoz contests infringement of the SPC solely on the ground that EP’637 and the SPC are null and void. A lack of novelty and inventive step is alleged, and that the priority claim was not valid. Sandoz had refused to undertake not to put the product on the market before the expiry of the SPC (October 30, 2020); Sandoz rather informed ViiV that it would start marketing in calendar week 21 — and has consequently been sued by ViiV.

I have attended the hearing yesterday; see the official announcement and some live notes below.

The following issues have been discussed:

  1. Is EP’637 entitled to the priorities claimed?

The parties dissent about whether or not EP’637 is actually entitled to the priorities claimed; see a compilation of the two priority documents here. Respondent argued that the whole disclosure of the priority documents is about a combination of three active substances, compared to a combination of only ABC and 3TC finally claimed in the patent in suit; plaintiff disagreed.

If priority was not validly claimed, D1 (WO 96/06844) would be pre-published prior art, i.e. relevant for both novelty and inventive step assessment.

  1. Has D1 (WO 96/06844) to be considered in the assessment of novelty?

From the pleadings, I conclude that in the exchange of briefs the plaintiff himself had submitted that D1 (WO 96/06844) forms prior art that is (only) relevant for the assessment of novelty. Respondent had agreed. Only later, in my understanding in the judge-rapporteur’s expert opinion, it has been held that D1 does not form part of the prior art under Art. 54(3) and (4) EPC 1973 or Art. 7(3) lit. a old PatA, respectively. Respondent disagrees on the merits, and further argued that the principle of party disposition was violated.

  1. Is D1 (WO 96/06844) novelty destroying?

From the pleadings it could be concluded that the expert opinion established by the judge-rapporteur was advantageous for the plaintiff, i.e. that novelty of EP’637 over D1 was given. The EPO’s approach of how to deal with selections from two or more lists of a certain length will be decisive.

Respondent argued that the German Federal Patent Court and a Stockholm court had denied novelty. I could not yet spot any such decision; maybe these were only interim assessments of the courts before the respective parties settled(?).

If you know more, I would be grateful if you would let me know.

UPDATE 12 September 2018:

I have meanwhile been informed of the decision issued in Sweden (Case PMÖ 3565-17 of the Svea Hovrätt), briefly reviewed on EPLAW Blog.

  1. An ‘optional’ disclaimer in summary infringement proceedings?

In a secondary line of defense, plaintiff offered to limit the patent with a disclaimer, to exclude the disclosure of D1 and to restore novelty if necessary.

Defendant argued that this was not possible and referred to an order of the Zurich Commercial Court (HE070010 of 22 August 2007, issued by Dieter BRÄNDLE, the later President of the FPC) that was upheld by the Zurich Court of Appeal (AA070145/U/Ia of 25 January 2008). At that time, it had been held (emphasis in original; cf ¶3.2):

Im Massnahmeverfahren [kann] sich der Kläger somit nur auf ein Zertifikat bzw. das diesem zugrundeliegende Patent in der aktuellen (d.h. uneingeschränkten) Fassung berufen.

Loosely translated:

In summary proceedings the plaintiff may thus only rely on the SPC or the basic patent, respectively, in its current (i.e. unamended) version.

  1. Risk of a not easily reparable harm for the plaintiff?

Further, the requirement of a ‘not easily reparable harm’ for interim injunctive relief to be granted has been addressed at length by the parties. Is the plaintiff actually at risk of a ‘not easily reparable harm’ as required by Art. 261(1) lit. b CPC?

ViiV corporate tree (section), as illustrated by respondent

Respondent firmly insisted that this is not the case, with reference to an illustration similar to the one shown on the right. In brief, plaintiff ViiV Healthcare UK Ltd is the holder of the Swiss SPC, and is fully owned by ViiV Healthcare Ltd; cf the right branch of the illustration.

Likewise, ViiV Healthcare GmbH (holder of the Swiss MA for Kivexa® according to the ‘Spezialitätenliste‘) is fully owned by  ViiV Healthcare Overseas Ltd, which in turn is fully owned by ViiV Healthcare Ltd; cf the left branch of the illustration.

Respondent argued that none of the boilerplate arguments like confusion of the market, price erosion, etc can apply here, since this does not affect the plaintiff / SPC holder. Plaintiff inter alia argued in the hearing that the Swiss MA holder has a license under SPC. This was firmly rebutted by the respondent as ‘not true’, or at least not to be a royalty-bearing license — and procedurally belated in any event. In my understanding, it had not been argued in the written exchange of briefs that a license is in place.

Finally, the parties were asked whether they were interested in settlement discussions. I would have loved to hear the answer, but the public has been excluded on request of the plaintiff even before the general (un)willingness to talk settlement has been indicated.

Reported by Martin WILMING

P.S.: After plaintiff’s initial pleadings, the presiding judge asked whether the pleading notes that had obviously at least partially been read out would be handed over to the court (“not necessarily to the other party”), to ease compilation of the minutes. The parties agreed. A pragmatic approach. Still, I strongly feel that whenever pleading notes are handed over to the court, the other party should get a copy, too. Frankly, I would not feel comfortable when the counter-party submits something in writing that I haven’t seen. How would I know that there was no change or omission in the speech vis-à-vis the pleading notes, and how easily might a different message silently sneak into the minds of the judges …

BIBLIOGRAPHY

Case No. S2018_004 | Hearing of 10 September 2018

ViiV Healthcare UK Ltd.
./.
Sandoz Pharmaceuticals AG

Panel of Judges:

  • Dr. Christoph GASSER
  • Dr. Tobias BREMI
  • Marco ZARDI

Judge-rapporteur:

  • Dr. Tobias BREMI

Court Clerk:

  • Susanne ANDERHALDEN

Representative(s) of Plaintiff:

  • Dr. Simon HOLZER (MLL)
  • Benjamin THOMAS (Simmons), assisting in patent matters

Representative(s) of Defendant:

PATENT IN SUIT

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ANNOUNCEMENT

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