Swiss watchmaker litigating about silicon hairspring?

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The NZZaS reported yesterday that Richemont is fighting with a consortium of Rolex, Patek Philippe and the Swatch Group over a silicon hairspring technology that Richemont’s brand Baume & Mercier is just about to introduce in the Swiss market.

Der Luxusgüterkonzern Richemont liegt wegen einer patentgeschützten Erfindung mit dem Konsortium aus Rolex, Patek Philippe and Swatch Group im Clinch.

A silicon hairspring technology had been developed by the consortium, together with CSEM, already about 15 years ago.

Vor über fünfzehn Jahren haben die Grossen der Branche […] ihre Kräfte gebündelt — und mit dem Forschungsinstitut CSEM in Neuenburg die Siliziumtechnik in der Unruhspirale 2005 zur Serienreife entwickelt.

Richemont’s silicon hairspring technology Twinspir™ in Baume & Mercier’s new movement Baumatic™ apparently is the bone of contention:

Details of B&M’s Baumatic™ movement with Twinspir™ technology (website)
B&M logo

The NZZaS did not provide much details about the conflict, and no sources are revealed. It is only that Baume & Mercier’s CEO, Geoffroy Lefebvre, is cited with the confirmation that discussions with the consortium are ongoing, and that no patent has been illegitimately used. B&M is said to argue that their hairspring is designed differently. According to NZZaS, the consortium does not agree, and judges will have to decide.

‘Es gibt Diskussionen mit dem Konsortium’, antwortet Lefebvre knapp. Er betont, dass kein Patent ‘gesetzeswidrig genutzt’ worden sei. Das Konsortium sieht das offenbar anders, wie von Kennern des Sachverhalts zu hören ist. Baume & Mercier argumentiert, dass ihre Unruhspirale anders aufgebaut (aus zwei Strängen) sei — und darum kein Patent verletzte. Am Ende werden die Richter den Sachverhalt klären müssen.

UPDATE 27 Sep 2018:

I have been informed that NZZaS apparently already mentioned in an article of 2 Sep 2018 that the consortium alleges a patent infringement (see here):

Das Konsortium hat offenbar bei Richemont wegen einer möglichen Patentverletzung interveniert.

Again, no sources or further details are revealed; the basis of this information is obscure. It remains to be seen how this finally unfolds.

UPDATE 07 Oct 2018:

The NZZaS continued its serial on this topic today. Frankly, without any significant news. It is only that Patek Philippe apparently also believes that Baume & Mercier infringes the patent:

Patek Philippe wie auch unsere Partner Swatch und Rolex sind effektiv der Ansicht, dass Baume & Mercier unser Patent (Silinvar) verletzt.

Contrary to what Baume & Mercier’s CEO Geoffroy Lefebvre had mentioned, Patek Philippe submits that the consortium is not currently engaged in discussions with Richemont / Baume & Mercier.

Reported by Martin WILMING

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