News & Analysis as of

Written Descriptions Pharmaceutical Patents Patent Trial and Appeal Board

Rothwell, Figg, Ernst & Manbeck, P.C.

One is the Loneliest Number: Can Single-Patient Case Studies Provide an Enabling Basis for Patent Claims?

The U.S. Court of Appeals for the Federal Circuit recently issued a non-precedential Rule 36 affirmance of the Patent Trial and Appeal Board (PTAB) in In re Adhami, No. 2024-1218, 2025 WL 1949797 (Fed. Cir. July 16, 2025)....more

Wilson Sonsini Goodrich & Rosati

Method of Treatment Claim’s Limiting Preamble Must Satisfy the Written Description Requirement

On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit issued a decision in the case of In Re: Xencor, Inc. In this Appeal from the Appeals Review Panel of the Patent Trial and Appeal Board (ARP), with regard to...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Regeneron Pharmaceuticals, Inc. v. Mylan Pharmaceuticals Inc.

Regeneron Pharmaceuticals, Inc. v. Mylan Pharmaceuticals Inc., Appeal Nos. 2024-1965, -1966, -2082, -2083 (Fed. Cir. Jan. 29, 2025) Our Case of the Week is a 31-page decision that touches on a variety of issues, including...more

Alston & Bird

Patent Case Summaries | Week Ending January 10, 2025

Alston & Bird on

Novartis Pharmaceuticals Corp. v. Torrent Pharma Inc., et al., Nos. 2023-2218, -2220, -2221 (Fed. Cir. (D. Del.) Jan. 10, 2025). Opinion by Lourie, joined by Prost and Reyna. The FDA approved a New Drug Application from...more

MoFo Life Sciences

The PTAB Axes Skin Treatment Patent Under Amgen

MoFo Life Sciences on

The Patent Trial and Appeal Board (“PTAB”) recently invalidated a University of Massachusetts (“UMass”) patent related to the treatment of the skin disease vitiligo in a post-grant review. (See Forte Biosciences Inc v....more

American Conference Institute (ACI)

[Event] 14th Summit on Biosimilars & Innovator Biologics - June 27th - 28th, Boston, MA

Biologics have become the fastest-growing class of therapeutic compounds. They have provided innovative treatment alternatives for people who suffer from some of the most serious medical conditions known to man. The...more

McDonnell Boehnen Hulbert & Berghoff LLP

Regents of the University of Minnesota v. Gilead Sciences, Inc. (Fed. Cir. 2023)

The Supreme Court's (re)consideration of the enablement requirement expected in its decision later this year in Amgen v. Sanofi may be the most closely watched patent case since AMP v. Myriad Genetics.  But in a decision...more

American Conference Institute (ACI)

[Event] Paragraph IV Disputes Master Symposium - September 21st - 22nd, Chicago, IL

ACI’s 8th Annual Paragraph IV Disputes Master Symposium returns in person to Chicago on September 21-22! Join leading pharmaceutical patent litigators for brand name and generic drug companies to receive up-to-the-minute...more

McDonnell Boehnen Hulbert & Berghoff LLP

Junior Party Broad Files Reply to Sigma-Aldrich Opposition to Broad Contingent Motion No. 2

On December 3rd, Junior Party the Broad Institute, Harvard University, and MIT (collectively, Broad) filed its Contingent Preliminary Motion No. 2 in Interference No. 106,133 (which names Sigma-Aldrich as Senior Party),...more

American Conference Institute (ACI)

[Event] 20th Advanced Summit on Life Sciences Patents - June 2nd - 3rd, New York, NY

ACI’s Advanced Summit on Life Sciences Patents is back in person on June 2–3 in New York City. Our reimagined 2022 conference will provide practical insights on how to implement bullet-proof patent prosecution tactics,...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Rehearing Denied in Federal Circuit’s Ruling Against Tecfidera® Patent for Lack of Written Description

On March 16, 2022, the Federal Circuit denied Biogen’s petition for rehearing of its November 2021 decision in Biogen Int’l GmbH v. Mylan Pharms., Inc., 18 F.4th 1333, 1343 (Fed. Cir. 2021), which found that Biogen’s patent...more

American Conference Institute (ACI)

[Event] 17th Annual Paragraph IV Disputes Conference - April 26th - 27th, New York City, NY

Premier forum which shapes the law, policy, and proceedings of Paragraph IV Litigation is back to New York City on April 26-27! Pharmaceutical patent practitioners from across the globe attend this flagship conference to...more

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

2021 PTAB Year in Review: Analysis & Trends: Case Studies and Trends at the PTAB Involving 35 U.S.C. § 112

Over the last 20-plus years, US Court of Appeals for the Federal Circuit cases concerning written description and enablement have become a hot-button issue in the chemical and life sciences practices. The year 2021 was no...more

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

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

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

PTAB Strategies and Insights: January 2022

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more

McDonnell Boehnen Hulbert & Berghoff LLP

Top Stories of 2021: #4 to #6

After reflecting upon the events of the past twelve months, Patent Docs presents its 15th annual list of top patent stories. For 2021, we identified nine stories that were covered on Patent Docs last year that we believe had...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2021 #2

AstraZeneca AB v. Mylan Pharmaceuticals Inc., Appeal No. 2021-1729 (Fed. Cir. Dec. 8, 2021) - Our Case of the Week again focuses on numerical values in claims. Last week we addressed a case involving whether there was...more

McDonnell Boehnen Hulbert & Berghoff LLP

Biogen Int'l GmbH v. Mylan Pharmaceuticals Inc. (Fed. Cir. 2021)

As is well-known, Congress established the Federal Circuit as a circuit court of appeals to harmonize U.S. patent law in an environment where regional Circuit Courts had developed their own judicial interpretations of the...more

American Conference Institute (ACI)

[Event] Paragraph IV Disputes Conference - November 9th - 10th, New York, NY

Join the conference that the “who’s who” of Hatch-Waxman litigators have designated as the forum which sets the standards for Paragraph IV practice. ACI’s Paragraph IV Litigation Conference is returning LIVE & IN-PERSON to...more

McDonnell Boehnen Hulbert & Berghoff LLP

Biogen Int'l GmBH v. Mylan Pharmaceuticals Inc. (N.D.W. Va. 2020)

The written description requirement has had a twenty-five year renaissance, particularly in the chemical and biotechnology arts as a way of restricting claim scope to what an inventor has actually invented (see Regents of the...more

McDonnell Boehnen Hulbert & Berghoff LLP

CVC Files Motion in Opposition to Broad's Substantive Motion No. 4

On January 9th, Junior Party the University of California, Berkeley; the University of Vienna; and Emmanuelle Charpentier (collectively, "CVC") filed its motion in opposition to Senior Party the Broad Institute (joined by...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

Knobbe Martens

Federal Circuit Review - August 2019

Knobbe Martens on

Mere Potential for Future Appeal Does Not Prevent Triggering Estoppel of Inter Partes Reexamination When Party Fails to Seek Relief in the First Instance - In Virnetx Inc. v. Apple Inc., Appeal Nos. 2017-1591, -1592,...more

McDermott Will & Emery

Mismatch Between Claims and Specification Leads to Invalidity

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial and Appeal Board (PTAB) invalidity decision in an interference proceeding, finding that the written description of the patent at issue did not describe...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - August 2019 #3

PATENT CASE OF THE WEEK - Nalpropion Pharmaceuticals, Inc. v. Actavis Laboratories, FL, Inc., Appeal No. 2018-1221 (Fed. Cir. Aug. 15, 2019) - This week’s Case of the Week focuses on issues relating to written...more

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