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Patent Validity Patents Pharmaceutical Patents

Proskauer - The Patent Playbook

Federal Circuit Affirms Stem Cell Product-by-Process Claims: Lessons in Claim Construction and Inherency from Restem LLV v. Jadi...

The Federal Circuit issued a precedential opinion on March 4, 2025, that serves as valuable guidance for product-by-process claims, particularly in the context of inherency in claim construction. In Restem, LLC v. Jadi Cell,...more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) / Avtozma® (tocilizumab-anoh) -...

Venable LLP on

Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

Miller Canfield

Jepson Claims No Substitute for Written Description in Patents

Miller Canfield on

Federal Circuit Holds That the Preamble of Jepson-Style Claims Must Be Supported by an Adequate Written Description - U.S. patent claims have a preamble, and, in most cases, the preamble is not limiting. Jepson-style...more

Venable LLP

Spotlight On: Prolia® / Xgeva® (denosumab) / Jubbonti® / Wyost® (denosumab-bbdz) / Ospomyv™ / Xbryk™ (denosumab-dssb) / Stoboclo®...

Venable LLP on

Denosumab Challenged Claim Types in Litigation: Claims are counted in each litigation, so claims from the same patent challenged in multiple litigations are counted more than once. Within each litigation a claim is counted...more

Venable LLP

Spotlight On: Herceptin® (trastuzumab) / Ogivri® (trastuzumab-dkst) / Herzuma® (trastuzumab-pkrb) / Ontruzant® (trastuzumab-dttb)...

Venable LLP on

Trastuzumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) / Avtozma® (tocilizumab-anoh) -...

Venable LLP on

Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

Lathrop GPM

Federal Circuit Upholds Validity of Entresto Patent In Precedential Decision Concerning Written Description and Enablement

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In a Jan. 10 precedential ruling by the United States Court of Appeals for the Federal Circuit, the validity of the U.S. patent covering Novartis’s blockbuster drug Entresto was upheld, reversing an earlier decision by the...more

Venable LLP

Spotlight On: Actemra® (tocilizumab) / Tofidence™ (tocilizumab-bavi) / Tyenne® (tocilizumab-aazg) - January 2025

Venable LLP on

Tocilizumab Challenged Claim Types in IPRs: Claims are counted in each IPR, so claims from the same patent challenged in multiple IPRs are counted more than once. Within each IPR, claims are counted only once, whether they...more

DLA Piper

Case-Narrowing Decisions are a One-Way Street: Reviewing Exeltis USA v. Lupin Ltd.

DLA Piper on

Exeltis USA, Inc. and other parties (Exeltis) recently prevailed against Lupin Ltd. and Lupin Pharmaceuticals, Inc. (Lupin) in a patent infringement suit brought in the District of Delaware. After a three-day bench trial, the...more

Venable LLP

Spotlight On: Neulasta® (pegfilgrastim) / Fulphila® (pegfilgrastim-jmdb) / Udenyca® (pegfilgrastim-cbqv) / Ziextenzo®...

Venable LLP on

Pegfilgrastim Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Venable LLP

Spotlight On: Herceptin® (trastuzumab) / Ogivri® (trastuzumab-dkst) / Herzuma® (trastuzumab-pkrb) / Ontruzant® (trastuzumab-dttb)...

Venable LLP on

Trastuzumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Venable LLP

Spotlight On: Herceptin® (trastuzumab) / Ogivri® (trastuzumab-dkst) / Herzuma® (trastuzumab-pkrb) / Ontruzant® (trastuzumab-dttb)...

Venable LLP on

*Trastuzumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more

Goodwin

PTAB Issues Final Written Decisions Finding Claims of Recombinant Lentiviral Vector Patents Valid

Goodwin on

​​​​​​​On April 22, 2024, the PTAB issued final written decisions in IPR2023-00070 and IPR2023-00074, filed by Bluebird Bio on two patents related to recombinant lentiviral vectors — U.S. Patent Nos. 7,541,179 and 8,058,061,...more

Smart & Biggar

Federal Court of Appeal affirms paliperidone palmitate claims are not unpatentable methods of medical treatment

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In a 2022 decision involving Janssen and Pharmascience, the Federal Court found that the claims of Canadian Patent No. 2,655,335 (335 patent, relating to paliperidone palmitate (Janssen’s INVEGA SUSTENNA)) were not invalid...more

Fish & Richardson

Minnesota Patent Litigation Wrap-Up: Q3 2023

Fish & Richardson on

This post continues our summary of substantive orders in patent litigation in the District of Minnesota. This summary includes a motion to compel production of chemical intermediates from an overseas manufacturer in...more

American Conference Institute (ACI)

[Event] 6th Annual Summit on Life Sciences IP Due Diligence - November 28th - 29th, Boston, MA

ACI’s 6th Annual Life Sciences IP Due Diligence Summit is devoted to providing corporate and IP counsel with expert strategies for assessing, valuing, and commercializing IP assets when conducting strategic IP due diligence –...more

Smart & Biggar

Supreme Court of Canada denies Pharmascience leave to appeal decision upholding the validity of two patents relating to ELIQUIS

Smart & Biggar on

On March 30, 2023, the Supreme Court of Canada dismissed Pharmascience’s application for leave to appeal (Docket No. 40400) a decision of the Federal Court of Appeal (FCA) upholding the validity of two patents relating to...more

American Conference Institute (ACI)

[Event] 16th Annual Forum on Pharma & Biotech Patent Litigation in Europe - May 23rd - 24th, Amsterdam, Netherlands

Hosted by C5, the 16th Annual Forum on Pharma & Biotech Patent Litigation in Europe returns 23-24 May, at the DoubleTree by Hilton Amsterdam Central Station, Amsterdam with curated programing for you to gain the knowledge and...more

American Conference Institute (ACI)

[Event] 18th Annual Paragraph IV Disputes - April 19th - 20th, New York, NY

Hosted by ACI, 18th Annual Paragraph IV Disputes Conference returns to New York City for another exciting year with curated programming that not only addresses the hot topics, but also puts them within the context of pre-suit...more

Smart & Biggar

Federal Court upholds validity of patent relating to paliperidone palmitate

Smart & Biggar on

On August 23, 2022, the Federal Court issued its public judgment and reasons in two actions under subsection 6(1) of the Patented Medicines (Notice of Compliance) Regulations (the “Regulations”) relating to paliperidone...more

Smart & Biggar

Federal Court of Appeal upholds validity of two patents relating to ELIQUIS

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On August 4, 2022, the Federal Court of Appeal (FCA) dismissed Pharmascience’s appeal of a Federal Court decision upholding the validity of Canadian Patent Nos. 2,461,202 (the 202 patent) and 2,791,171 (the 171 patent)...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

Smart & Biggar

Merck’s JANUVIA crystalline monohydrate DHP salt patent found valid

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In a patent infringement action brought under subsection 6(1) of the Patented Medicines (Notice of Compliance) Regulations, in relation to sitagliptin phosphate monohydrate (Merck’s JANUVIA), Justice Furlanetto of the Federal...more

Smart & Biggar

Federal Court finds formulation patent relating to ACTONEL DR valid but not infringed

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On February 23, 2022, the Federal Court issued its public reasons for judgment in a patent infringement action pursuant to subsection 6(1) of the Patented Medicines (Notice of Compliance) Regulations relating to risedronate...more

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

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2021 Decisions

[co-author: Jamie Dohopolski] Last year, the continued global COVID-19 pandemic forced American courts to largely continue the procedures set in place in 2020. The U.S. Court of Appeals for the Federal Circuit was no...more

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