Prosecution Disclaimer Pitfalls

In Speedtrack, Inc. v. Amazon.com, Inc. (June 3, 2021), the Federal Circuit affirmed not only the district court’s findings relating to patent infringement, but also the importance of prosecution history when interpreting the c… Read More

Written Decision Needed For IPR Estoppel

In Finjan, Inc. v. Cisco Systems, Inc. Case No. 17-cv-00072-BLF (N. D. Cal. Feb. 3, 2020) the Northern District of California denied Plaintiff Finjan’s motion for summary judgement of validity of a number of claims of various pa… Read More

Prosecution History Crucial for Claim Interpretation of “Remote”

The Federal Circuit has again highlighted the importance of prosecution history for patent claim interpretation. In Baker v. Microsoft Corp., No. 2017-2357 (Fed. Cir. Apr. 9, 2018) the Federal Circuit upheld a district court claim… Read More

CBM Estoppel Limited to Substantially Identical References

A district court recently held the scope of estoppel from covered-business-method (CBM) review encompasses the references used in the CBM as well as almost-identical references. (Solutran, Inc. v. U.S. Bancorp et al. (D. Minn. 201… Read More

When to Convert a CIP Patent Application into a Divisional

The Federal Circuit recently clarified the limits of the safe harbor provision of 35 USC §121. In In re: Janssen Biotech, Inc., New York University, No. 2017-1257 (Fed. Cir. Jan. 23, 2018), the Federal Circuit upheld a Patent Tri… Read More