From July 2017 to June 2019, the two leading wind turbine providers in the United States – General Electric and Vestas, reportedly controlling more than 80% of the U.S. wind turbine market – engaged in a patent fight over who controls key technology for connecting turbines to the grid. The fight spanned four asserted patents (two owned by GE and two by Vestas) and a pair of venues (federal court in California and the Patent Trial and Appeal Board.
The Duane Morris Green IP Blog monitored the patent fight, reporting extensively on significant developments and potential impacts to the wind industry. This page provides a comprehensive look at our coverage of the case:
- General Electric Expands Patent Fight Against Vestas (November 21, 2017)
- Vestas Fires Back in GE Wind Turbine Lawsuit (November 27, 2017)
- Vestas Adds Patent Infringement Claim Against GE in Wind Turbine Litigation (January 3, 2018)
- GE Opens a Second Front in Patent Fight with Vestas (April 11, 2018)
- GE v. Vestas Litigation Update: GE Moves to Sever Counterclaims, Vestas Brings Invalidity Challenge (May 21, 2018)
- Wind Turbine Litigation: Judge Orders Stay of GE v. Vestas (June 15, 2018)
- GE, Vestas Battling in a Technological Field They Dominate (July 30, 2018)
- Vestas Files New Challenge Against GE Wind Turbine Patent (September 12, 2018)
- Vestas Challenge to Invalidate GE Wind Tech Patent is Denied (December 18, 2018)
- Federal Court Litigation Between GE and Vestas Likely to Remain Stayed; Parties Continue to Battle at Patent Board (April 10, 2019)
- GE and Vestas Settle Patent Dispute (June 27, 2019)