Category Archives: doctrine of claim differentiation

Federal Circuit Reinforces PTAB’s Authority to Institute Trial on Selected Claims in Synopsis v. Mentor Graphics Appeal

Newcomers to post-grant proceedings are often surprised by the PTAB’s claim-by-claim approach to patent challenges under the America Invents Act.  When reporting statistics about IPRs, commentators tend to ignore these considerations: First, an IPR petition can be drafted to challenge all or some … Continue reading

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Federal Circuit Decision in In re Tanaka

You might recall that we discussed the BPAI decision in In re Yasuhito Tanaka in an earlier post.  On April 15, the Federal Circuit reversed the BPAI decision and remanded the matter for further proceedings in accordance with the opinion.  … Continue reading

Posted in Damages, doctrine of claim differentiation, Ex Parte Prosecution, intervening rights, Litigation, past damages, Reissue, Uncategorized | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment