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Patterson Belknap Webb & Tyler LLP

Jonah M. Knobler

Jonah M. Knobler


Patterson Belknap Webb & Tyler LLP
New York, U.S.A.

tel: 212-336-2134
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Jonah M. Knobler practices in the Firm’s Litigation department. His practice centers on class action defense, false advertising litigation, and food-and-drug law. He also handles copyright and trademark litigation and key appeals.

Mr. Knobler has over a decade of experience representing global and national pharmaceutical, food, beverage, cosmetic, and dietary supplement manufacturers in high-stakes false advertising, consumer protection, civil RICO, and product liability suits. His practice has given him a keen understanding of FDA-regulated industries and the surrounding regulatory landscape. He frequently litigates and publishes on cutting-edge legal topics of interest to these industries, such as standing, preemption, class certification, damages models, innovator liability, and commercial free speech.  He also founded and co-edits the Firm’s food, drug, and cosmetic false advertising blog, Misbranded.

In the IP arena, Mr. Knobler has litigated and settled numerous claims of copyright infringement, trademark infringement/counterfeiting, and “hot news” misappropriation. He has represented major media companies, consumer-product manufacturers, and individual artists. Mr. Knobler published one of the first major articles analyzing the copyright implications of Internet streaming and downloading, which has been cited in Nimmer on Copyright, the Oxford Handbook of Mobile Music Studies, and U.S. Supreme Court briefing.

Mr. Knobler has also handled high-value appeals across a range of subject areas, from false advertising to product liability to insurance law.  He has briefed and/or argued appeals in both the state and federal systems, including in the U.S. Supreme Court and most federal Courts of Appeals.

Recently, Mr. Knobler was named a 2019 “Rising Star” by the New York Law Journal, a designation that “recognizes the region’s most promising lawyers ages 40 and under.”  Mr. Knobler was named to the National LGBT Bar Association’s 2018 “Best LGBT Lawyers Under 40,” which recognizes LGBT legal professionals “who have distinguished themselves in their field and have demonstrated a profound commitment to LGBT equality.”  He was also named to Benchmark Litigation’s “40 & Under Hot List” each year since 2017, which recognizes “practitioners…aged 40 or younger [who] have been deemed the most promising emerging talent in their respective litigation communities…by peers and clients.”

Mr. Knobler’s active pro bono practice focuses on voting rights and LGBTQ+ rights. For his pro bono work, he was named a 2019 “Defender of Democracy” by Common Cause.

From 2009 to 2010, Mr. Knobler served as a law clerk to the Honorable Danny J. Boggs of the U.S. Court of Appeals for the Sixth Circuit. From 2008 to 2009, Mr. Knobler served as a law clerk to the Honorable Frederic Block of the U.S. District Court for the Eastern District of New York. In 2004, Mr. Knobler held a McCleary Law Fellowship at the Human Rights Campaign.

    Bar Admissions

    • U.S. Supreme Court
    • U.S. Court of Appeals for the First, Second, Fourth, Sixth, Seventh, Eighth, Ninth, Tenth, and Federal Circuits
    • U.S. District Court, Southern and Eastern Districts of New York
    • New York


    • Harvard Law School (J.D., cum laude, 2006)
      • Nathan Burkan Prize for Copyright Law (American Society of Composers, Authors and Publishers)
      • Harvard Civil Rights - Civil Liberties Law Review
    • Harvard University (B.A., cum laude, 2003)
      • Phi Beta Kappa
    Areas of Practice
    Professional Career

    Professional Activities and Experience


    • Common Cause “Defender of Democracy” (2019)
    • New York Law Journal “Rising Star” (2019)
    • National LGBT Bar Association “Best LGBT Lawyers Under 40” (2018)
    • Benchmark Litigation “Under 40 Hotlist” (2017, 2018, 2019)
    • Super Lawyers “Rising Star” (2013, 2014, 2015, 2016, 2017, 2018, 2019)


    Patterson Belknap Webb & Tyler LLP 

    Misbranded is Patterson Belknap’s blog covering false advertising litigation—both consumer class actions and competitor suits—with a particular focus on FDA-regulated products (foods/beverages, pharmaceuticals, cosmetics, and dietary supplements).


    Seventh Circuit Issues Strong Endorsement of Learned Intermediary Doctrine in Medical-Device MDL
    Patterson Belknap Webb & Tyler LLP, April 2018

    The manufacturer of a product generally has a duty to warn the end-consumer of any serious risks associated with that product. In the context of prescription drugs and medical devices, however, the “learned intermediary” doctrine holds that the manufacturer need not warn the end-consumer (i.e., patient). Instead, the manufacturer discharges its obligations by warning the prescribing physician...

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