News & Analysis as of

Prosecution History Estoppel Claim Limitations

Akin Gump Strauss Hauer & Feld LLP

Cancellation of Independent Claims in IPR Does Not Estop Doctrine of Equivalents Arguments for Surviving Dependent Claims

A judge in the Eastern District of Virginia recently held that cancellation of independent claims in an inter partes review (IPR) did not preclude the plaintiff from asserting infringement based on the doctrine of equivalents...more

Goodwin

ITC 337 Quarterly Insider Q2 2020

Goodwin on

Goodwin’s 337 Quarterly Insider remains the premiere publicly available source for keeping up to date on all meaningful decisions coming out of the Commission. Please find below Goodwin’s insights on the months of April, May,...more

Jones Day

Verbal Aspect of Claim Limits Design Patent Scope in Curver Luxembourg v. Home Expressions

Jones Day on

The Federal Circuit affirmed dismissal of design patent infringement claims under an estoppel theory triggered by amendments made to meet patentability requirements in Curver Luxembourg, SARL v. Home Expressions Inc., No....more

Knobbe Martens

The Tangential Exception to Prosecution History Estoppel

Knobbe Martens on

ELI LILLY AND COMPANY v. HOSPIRA, INC. Before Lourie, Moore, and Taranto. Appeal from the District Court for the Southern District of Indiana. Summary: A narrowing claim amendment does not necessarily surrender all...more

Foley & Lardner LLP

Prosecution History Informs Claim Meaning Even Without Unmistakable Disclaimer

Foley & Lardner LLP on

Although non-precedential, the Federal Circuit decision in Aptalis Pharmatech, Inc. v. Apotex Inc. is worth a read to see how the court “tiptoes” the “fine line between reading a claim in light of the specification, and...more

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