Siemens Gamesa Renewable Energy A/S v. General Electric Co. et al. (D. Mass. 21-cv-10216).

  • September 8, 2022

The trial concluded in this case involving two wind turbine patents.  The jury found that all of the asserted claims of U.S. Patent No. 8,575,776 – claims 1-3 and 6-7 – were obvious and claim 1 was also invalid for lack of written description and that these claims were also not infringed.  They also determined that U.S. Patent No. 9,279,413 – claims 1, 2, 8 and 11 – were not invalid and that each were infringed, with all but claim 1 infringed directly and claim 1 under the doctrine of equivalents.  The jury found that the infringement was not willful and that Siemens had not proven entitlement to lost profits, but was entitled to a reasonable royalty of $30,000 per megawatt. 

The case was filed on September 29, 2020, and after discovery related to venue, was transferred to the District of Massachusetts on February 8, 2021.  Once the case was before Judge Young, it took only sixteen months to get through the completion of trial.

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