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Patents Prior Art Scope of the Claim

Mintz - Intellectual Property Viewpoints

“Anything Goes” – Federal Circuit Says PTAB Can Use Any Means to Knock Out Substitute Claims (Uniloc v. Hulu: Part 2)

Yesterday we discussed the Federal Circuit’s decision in Uniloc 2017 LLC v. Hulu, LLC confirming the Board’s authority to review contingent substitute claims after the original claims have been held invalid by a federal...more

Haug Partners LLP

Uniloc v. Hulu - Federal Circuit Clash over Scope of PTAB Review of Substitute Claims

Haug Partners LLP on

WHAT DO WE KNOW? 1. On July 22, 2020, a sharply split Federal Circuit panel held that “[t]he PTAB correctly concluded that it is not limited by § 311(b) in its review of proposed substitute claims in an IPR, and that it...more

Brownstein Hyatt Farber Schreck

Federal Circuit Infers Disavowal, Limiting Scope of Chamberlain Patent

The Federal Circuit has issued another opinion arising from the patent conflict between The Chamberlain Group and Techtronic Industries—and, once again, a patent owned by Chamberlain suffered a major blow. In Techtronic...more

Knobbe Martens

Specification’s Narrow Description of the Invention Results in Disavowal of Claim Scope

Knobbe Martens on

TECHTRONIC INDUSTRIES CO. LTD. v. ITC - Before Lourie, Dyk, and Wallach. Appeal from the U.S. International Trade Commission. Summary: Consistent description in the specification of a particular embodiment as the...more

Smart & Biggar

File wrapper estoppel in Canada

Smart & Biggar on

The Canadian Patent Act was amended last year to include a new provision which allows prosecution histories into evidence in patent proceedings to rebut representations made by the patentee regarding claims construction. ...more

Knobbe Martens

Federal Circuit Review - January 2018

Knobbe Martens on

Where Parties Raise an Actual Dispute Regarding Claim Scope, the Court Must Resolve It In Nobelbiz, Inc. v. Global Connect, L.L.C., Appeal Nos. 2016-1104, 2016-1105, the Federal Circuit held that where parties raise an actual...more

Mintz - Intellectual Property Viewpoints

Federal Circuit Clarifies the Requirements for a Teaching Away by the Prior Art

In a precedential opinion issued on October 11, 2017, the United States Court of Appeals for the Federal Circuit reversed the Patent Trial and Appeals Board’s (“PTAB”) finding of non-obviousness where the prior art taught...more

Mintz - Intellectual Property Viewpoints

Federal Circuit Reiterates That Patent Prosecution Disclaimers Must Be “Clear and Unmistakable”

On March 3, 2017, the United States Court of Appeals for the Federal Circuit reaffirmed, in a precedential opinion, that prosecution disclaimers may only limit the scope of a claim where the disclaimer is “both clear and...more

McDermott Will & Emery

When Distinguishing Statements May Be Considered Disclaimers of Claim Scope

Addressing disclaimer of claim scope, the US Court of Appeals for the Federal Circuit affirmed the district court’s summary judgment of non-infringement, finding that the patentee clearly and unmistakably disclaimed...more

Foley & Lardner LLP

Beware Reexamination Amendments

Foley & Lardner LLP on

In R+L Carriers, Inc. v. Qualcomm, Inc., the Federal Circuit affirmed the district court’s dismissal of R+L’s infringement claims against Qualcomm, finding that the claims issued after reexamination were not “substantially...more

McDonnell Boehnen Hulbert & Berghoff LLP

R+L Carriers, Inc. v. Qualcomm, Inc. (Fed. Cir. 2015) - Be Wary of Claim Amendments During Reexamination

Traditional patent law holds that a patentee of a patent that survives reexamination is only entitled to infringement damages for the time period between the date of issuance of the original claims and the date of issuance of...more

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