News & Analysis as of

Discovery Patent Litigation Claim Construction

Venable LLP

Patent Litigation Defense 101: What to Know When You’ve Been Sued for Infringement

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If your company has just been named in a patent infringement lawsuit, you may be facing an unfamiliar and high-stakes process. Patent litigation is unlike most commercial disputes—it involves complex legal standards, highly...more

Patterson Belknap Webb & Tyler LLP

Judge Engelmayer Gets a Handle on “BlenderBottle” Patent Claims and Rejects Assertion of Indefiniteness

Judge Paul A. Engelmayer (S.D.N.Y.) recently construed claim terms at issue in a patent litigation between Plaintiffs Trove Brands, LLC, d/b/a The BlenderBottle Company, and Runway Blue, LLC (collectively, “Trove”) and...more

Irwin IP LLP

Fair Shot at Privity: Director Reverses PTAB on Discovery Ruling 

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Semiconductor Components Indus., LLC v. Greenthread LLC, IPR2023-01242, -01243, -01244 (USPTO Apr. 30, 2025) - The USPTO Director’s recent decision in Semiconductor Components v. Greenthread squarely addresses a recurring...more

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

PTAB Year in Review – Caveat Experimenter: Using Experimental Data in PTAB Proceedings Comes With Risks

Parties involved in Patent Trial and Appeal Board (PTAB) proceedings sometimes contemplate submitting experimental data to support their positions. Although such data can be useful, there also are risks. Several recent cases...more

Knobbe Martens

New Trial Granted Because “Nearly All” of the Defendant’s Noninfringement Evidence Was Untimely

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The district court erred by admitting untimely expert testimony on noninfringement and by refusing to grant a new trial after the jury found noninfringement. Trudell Medical International (“Trudell”) sued D R Burton...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Trudell Medical International Inc. v. D R Burton Healthcare, LLC

Trudell Medical International Inc. v. D R Burton Healthcare, LLC, Appeal Nos. 2023-1777, -1779 (Fed. Cir. Feb. 7, 2025) This week’s Case of the Week presents a cautionary tale for litigators to be sure they’ve timely...more

Patterson Belknap Webb & Tyler LLP

There’s an Exception to Every Rule: Judge Schofield Finds a Comparison of the Plaintiff’s Patented System and the Accused System...

In a recently published opinion, Judge Lorna G. Schofield (S.D.N.Y.) found that it was appropriate to compare the accused system to a plaintiff’s commercial system embodying the asserted patent claims, rather than the patent...more

Baker Botts L.L.P.

Third Quarter 2024 Federal Circuit Law Update

Baker Botts L.L.P. on

Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...more

McDermott Will & Schulte

Claim Construction and Jurisdictional Discovery Are More Than Skin Deep

Referencing the use of antecedents from a “wherein” clause, the US Court of Appeals for the Federal Circuit reversed a district court’s claim construction and vacated its summary judgment ruling of indefiniteness that relied...more

Fish & Richardson

Minnesota Patent Litigation Wrap-Up - Q1 2022

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This post continues our summary of substantive orders in patent litigation in the District of Minnesota. This summary includes discovery relevant to willfulness findings, stays under the customer suit exception, and...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - November 2020 #3

C.R. Bard Inc. v. AngioDynamics, Inc., Appeal No. 2019-1756, -1934 (Fed. Cir. Nov. 10, 2020) - Our Case of the Week is one of two cases decided this week in which the Federal Circuit finds that a district court jumped the...more

Jones Day

Tenth Anniversary Update: Annotated Local Patent Rules for the Northern District of Illinois

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Ten years ago, in an effort to create greater predictability for patent litigation in the Northern District of Illinois, the District enacted Local Patent Rules ("LPR") This annotated version of the LPRs is released in honor...more

Goodwin

Issue Eighteen: PTAB Trial Tracker

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The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more

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

IP Hot Topic: USPTO Releases a Second Update to the PTAB Trial Practice Guide

On July 15, 2019, the USPTO released a second update to Trial Practice Guide for AIA proceedings. The 64-page update reflects some of the recent opinions that the Board has designated as precedential and includes helpful...more

Proskauer - New England IP Blog

New Local Patent Rules May Speed Up Patent Litigation In Massachusetts

Massachusetts is home to one of America’s chief innovation hubs. Yet, historically, the District of Massachusetts has seen relatively few patent cases when compared to other high-tech venues around the country. While there...more

Jones Day

No Genuine Issue of Fact Where Petitioner’s Claim Construction Is Wrong

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The PTAB’s recent decision denying rehearing in United Microelectronics Corp. v. Lone Star Silicon Innovations LLC, IPR2017-01513, Paper 10 (PTAB May 22, 2018) sheds light on the Board’s practice under 37 C.F.R. 42.108(c),...more

Jones Day

2018 Update: Annotated Local Patent Rules for the Northern District of Illinois

Jones Day on

In an effort to create greater predictability for patent litigation in the Northern District of Illinois, the District enacted Local Patent Rules ("LPR") effective as of October 1, 2009. This annotated version of the LPRs...more

Proskauer - New England IP Blog

Scope of Brain Imaging Patent Dispute Comes into Focus

Judge Stearns recently clarified the scope of an almost five-year-old multi-district patent dispute in the District of Massachusetts. Since early 2013, Judge Stearns has presided over NeuroGrafix’ allegations of patent...more

Goulston & Storrs PC

U.S. District Court for the District of Massachusetts Seeks Public Comment on Proposed Revisions to Local Patent Rules

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On December 11, 2017, the Judges of the U.S. District Court for the District of Massachusetts proposed amendments to Local Rule 16.6 governing patent proceedings. The proposed amendments substantially rewrite existing Local...more

Schwabe, Williamson & Wyatt PC

Summaries of All Supreme Court and Precedential Federal Circuit Patent Cases Decided Since Jun. 1, 2016

This paper is based on reports on precedential patent cases decided by the Federal Circuit distributed by Peter Heuser on a weekly basis. ...more

Morgan Lewis

2017 PTAB Digest: The Latest Trends and Developments in Post-Grant Proceedings

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Recent patent reform legislation, rule changes, and court rulings are expected to have a significant impact on the strategies of both patent owners and petitioners....more

King & Spalding

ITC Section 337 Update – December 2015

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Amendments To Federal Rules Of Civil Procedure Announced – Effective December 1, 2015, the Federal Rules of Civil Procedure (“FRCP”) have been amended with respect to pleading requirements and discovery. Notably, the FRCP do...more

McDermott Will & Emery

Enablement: Multiple Measurement Methods Can Lead to the Same Result - Ethicon Endo-Surgery, Inc. v. Covidien, Inc.

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Addressing the issues of indefiniteness and non-infringement for both utility and design patents, the U.S. Court of Appeals for the Federal Circuit reversed and vacated in part the district court’s grant of summary judgment...more

Perkins Coie

Inter Partes Review Proceedings: A Third Anniversary Report

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When inter partes review (IPR) proceedings became effective in September 2012, few people would have predicted the transformative effect it would have on patents and the litigation landscape. Three years in, IPR has become...more

Bracewell LLP

Know Them Before They are Famous (or at least final): The Latest USPTO Proposed Rule Changes

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On August 19, 2015, the United States Patent and Trademark Office (USPTO) released proposed rule changes for trials before the Patent Trial and Appeal Board (PTAB). The proposed rule changes were made in response to input...more

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