Chevron settles oil patent dispute
Major oil companies’ joint subsidiary had sued over an oil lubricant patent | USPTO director declined a PTAB review in the case.
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Patents
22 January 2021 Chevron has prevailed in an oil lubricant patent dispute with a joint subsidiary of Royal Dutch Shell and ExxonMobil, which unsuccessfully tried to raise an Arthrex-based challenge to the invalidation of its patent.
Patents
21 June 2021 The US Supreme Court has confirmed that judges for the Patent Trial and Appeal Board (PTAB) act as unconstitutional principal officers, and should therefore have been appointed by the President, in its final ruling in United States v Arthrex.