News & Analysis as of

Patents Scope of the Claim

Procopio, Cory, Hargreaves & Savitch LLP

5 Takeaways from the U.S. Supreme Court Decision in Amgen v. Sanofi

The U.S. Supreme Court’s unanimous decision in Amgen Inc. v. Sanofi (referred to as the Amgen decision) likely makes it more difficult for life sciences companies to obtain broad patents claiming an entire genus of antibodies...more

Fitch, Even, Tabin & Flannery LLP

U.S. Supreme Court to Consider “Full Scope” Enablement of Claims

On November 4, the United States Supreme Court granted a petition for writ of certiorari to review the Federal Circuit’s decision in Amgen Inc., v. Sanofi. Certiorari was limited to the question of whether the enablement...more

Linda Liu & Partners

Influence on Scope of Protection by Defining Steps in Process Claims of Chinese Patent

Linda Liu & Partners on

According to the Guidelines for Patent Examination, a process claim shall usually be defined in terms of technical features such as technological process, operational conditions, steps, and procedures. However, the Guidelines...more

Harris Beach PLLC

Federal Circuit Construes the Terms “Antibody” and “Antibody Fragment”

Harris Beach PLLC on

The Federal Circuit issued a decision in Baxalta Inc. v. Genentech, Inc., ___ F.3d __, 2020 WL 5048435 (Fed. Cir. Aug. 27, 2020) construing the terms “antibody” and “antibody fragment.” According to the decision: Antibody:...more

Knobbe Martens

Limiting Terms in Preamble May Render Entire Preamble Limiting

Knobbe Martens on

BIO-RAD LABORATORIES, INC. v. 10X GENOMICS INC. Before Newman, O’Malley, and Taranto. Appeal from the United States District Court for the District of Delaware. Summary: Where elements of preamble are limiting,...more

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

McDonnell Boehnen Hulbert & Berghoff LLP

Uniloc 2017 LLC v. Hulu, LLC (Fed. Cir. 2020)

Last week, in Uniloc 2017 LLC v. Hulu, LLC, the Federal Circuit ruled that the Patent Trial and Appeal Board may consider patent eligibility under 35 U.S.C. § 101 for substitute claims.  The appeal raises issues of finality...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

Knobbe Martens

Patentee’s Lexicography Negates Infringement Despite Defendant’s Use of Claim Term in Product Literature

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PLASTIC OMNIUM ADVANCED INNOVATION AND RESEARCH V. DONGHEE AMERICA, INC. Before Reyna, Newman, and Clevenger. Appeal from the U.S. District Court for the District of Delaware. Summary: The patentee’s lexicography of...more

Knobbe Martens

Prosecution History Estoppel Bars Infringement Claim Under Doctrine of Equivalents

Knobbe Martens on

PHARMA TECH SOLUTIONS, INC. v. LIFESCAN, INC. Before Moore, Reyna, and Stoll. Appeal from the United States District Court for the District of Nevada. Summary: Claims for infringement under the doctrine of equivalents...more

Knobbe Martens

Federal Circuit Review - October 2019

Knobbe Martens on

The PTAB Cannot Approve or Deny Certificates of Correction - In Honeywell International, Inc. v. Arkema Inc., Arkema France, Appeal Nos. 2018-1151, -1153, the Patent Trial and Appeal Board (“Board”) does not have the...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Strategies and Insights - September 2019: Words Matter in a Design Patent

It is important for petitioners and patent owners alike to understand the implications of Curver Luxembourg v. Home Expressions, which relied on prosecution history and the title to limit design patent claim scope....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

Continental Circuits LLC v. Intel Corporation

Knobbe Martens on

Federal Circuit Summaries - Before Lourie, Linn, and Taranto. Appeal from the United States District Court for the District of Arizona. Summary: Reading a process limitation into a product claim is improper where the...more

Knobbe Martens

Advantek Marketing, Inc., v. Shanghai Walk-Long Tools Co.

Knobbe Martens on

Federal Circuit Summary - Before Newman, Clevenger and Chen. Appeal from the United States District Court for the Central District of California. Summary: Prosecution history estoppel does not bar enforcement of a...more

Knobbe Martens

Federal Circuit Review - May 2018

Knobbe Martens on

Priority Claims Cannot Be Incorporated by Reference - In Vanda Pharmaceuticals Inc. v. West-Ward Pharmaceuticals International Limited, Appeal Nos. 2016-2707 and 2016-2708, the Federal Circuit held that when a patent for a...more

Knobbe Martens

Sumitomo Dainippon Pharma Co. v. Emcure Pharmaceuticals

Knobbe Martens on

Before Moore, Mayer, and Stoll. Appeal from the United States District Court for the District of New Jersey. Summary: Plain claim language will not be narrowed based on a patent’s specification unless the patentee clearly...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

McDermott Will & Emery

Discord as to When District Courts Must Resolve Claim Scope Disputes

McDermott Will & Emery on

In July 2017, the US Court of Appeals for the Federal Circuit issued a non-precedential decision reversing the district court for failing to provide constructions for the claim terms “replacement telephone number,” “modify...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

Disavowal of Claim Scope in a Trash Bag Patent

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court’s narrow claim construction, finding that the specification and prosecution history of the patent-at-issue contained clear and unequivocal statements...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

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