Category Archives: intervening rights

Federal Circuit Employs Phillips Claim Construction to Measure Claims Amended in Reexamination for Possible Intervening Rights

When patent owners sue an accused infringer for patent infringement, one way for the accused infringer to avoid liability is to show noninfringement of the patent claims.  But if the claims are extremely broad, the accused infringer may find it difficult … Continue reading

Posted in Broadest Reasonable Interpretation, claim challenges, Claim Construction, clear and convincing evidence, covered business methods, Damages, Ex Parte Prosecution, Federal Circuit, inter partes review, intervening rights, Litigation, past damages, Phillips claim construction, Post Grant Review, preponderance of evidence, prior art, reexamination generally | Tagged , , , , , , , , , , , , , , , , , | Leave a comment

More Inter Partes Patent Reviews Filed on the PTAB PRPS

As of 01:00 on September 27, the number of petitions for covered business method (CBM) patent reviews remained at 6, but five more petitions for inter partes reviews (IPRs) were filed, making a total of 17 IPRs.  The total number of pending … Continue reading

Posted in America Invents Act, claim challenges, Claim Construction, covered business methods, Damages, estoppel, future damages, inter partes review, intervening rights, Litigation, motion practice, Patent Reform, Post Grant Review, preponderance of evidence, PRPS Patent Review Processing System, PTAB, raised or reasonably could have raised | Tagged , , , , , , , | Leave a comment

En Banc Decision in Marine Polymer v. HemCon: Amended or New Claims are Candidates for Possible Intervening Rights

In my earlier post, I summarized the panel opinion in Marine Polymer Technologies, Inc. v. Hemcon, Inc.  On September 26, 2011, a panel of the Federal Circuit reversed the district court’s decision, concluding that HemCon had acquired intervening rights in the … Continue reading

Posted in absolute intervening rights, Damages, equitable intervening rights, intervening rights, Litigation, past damages, reexamination generally, Reissue | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment

Marine Polymer Technologies v. HemCon, Inc. and Intervening Rights

Marine Polymer Technologies, Inc. v. HemCon, Inc. (Fed. Cir. 2011) is a widely reported case that raises some questions about the scope of the application of intervening rights.  It involves a matter where the literal language of a claim was … Continue reading

Posted in absolute intervening rights, Appealable, equitable intervening rights, ex parte reexamination, intervening rights, Litigation, past damages, reexamination generally | Tagged , , , , , , , , , , , , , , , , , | 1 Comment

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