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Collateral Estoppel › Inter Partes Review (IPR) Proceeding › Judicial Authority

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: PTAB Decision of Invalidity Cannot Estop District Court Litigation on Different Claims from the Same Patent, Even...

Akin Gump Strauss Hauer & Feld LLP on

The Federal Circuit recently refused to apply collateral estoppel to claims of a patent asserted in district court litigation based on a Patent Trial and Appeal Board (PTAB) decision finding similar claims from the same...more

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