Alexis Cohen

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Alexis Cohen — Patent Litigation Practice Summary

Specialty / focus. Cohen's practice centers on medical device and life sciences patent litigation, with secondary experience in software, telecommunications, technology, and materials science. Her tracked matters are almost entirely medical-device disputes — the Neurent Medical/Aerin Medical and Foundry litigation over nasal-airway and chronic rhinitis treatment devices (Neuromark vs. VivAer/RhinAer) in the District of Delaware. Beyond the tracked list, her published matter descriptions include Hatch-Waxman/ANDA pharmaceutical litigation in Delaware, Medtronic/Covidien vascular-device litigation, and patent prosecution, counseling, and IP due diligence. Her technical background is biomedical engineering, and her practice includes pre-litigation counseling and portfolio strategy alongside litigation. Note that the tracked appearances are heavily concentrated in a single client cluster (Neurent Medical), so the case list alone understates the breadth described on her firm profiles.

Side preference. She works both sides of the "v." The tracked figures (4 plaintiff-side, 1 defendant-side) are misleading in isolation: all five matters arise from the same underlying Aerin/Foundry–Neurent dispute, in which her client Neurent is simultaneously the accused infringer (defendant) in Delaware and the counterclaim-plaintiff and IPR petitioner. So the plaintiff-side entries reflect a defense-side client asserting counterclaims and challenging the other side's patents, not an NPE/PAE enforcement practice. The broader pattern is defense-oriented: representing operating companies (Medtronic/Covidien, a pharmaceutical company in ANDA litigation, medical device companies) accused of infringement, while also pursuing offensive counterclaims and IPRs for those same clients.

Firm context. The tracked appearances list Wilmer Cutler Pickering Hale and Dorr, where she spent roughly a decade and made partner in 2023, serving as Co-Chair of the firm's Post-Grant Proceedings Group. In January 2026 she moved to Sidley Austin LLP in Washington, D.C. as an Intellectual Property partner in the Litigation practice, along with Greg Lantier. Earlier in her career she was a patent litigation associate at Paul, Weiss, Rifkind, Wharton & Garrison in New York, and she clerked for the Hon. Ursula Ungaro (S.D. Fla., 2014–2016).

Notable cases / outcomes. Her most prominent tracked matter is the consolidated Aerin Medical Inc. v. Neurent Medical / Neurent Medical Ltd. v. Aerin Medical Inc. litigation (D. Del., C.A. No. 23-756), which was stayed pending IPRs; a related Federal Circuit appeal (Nos. 2025-2099 et al.) was dismissed by agreement in August 2026, which suggests — but does not confirm — a settlement. The companion IPRs she worked on produced final written decisions holding the challenged Aerin/Foundry nasal-airway claims unpatentable (Law360, "PTAB Knocks Out Claims In 3 Nasal Airway Patents," July 2025). Other reportedly favorable results on her firm profile include a Delaware medical device case resolved by settlement during concurrent IPRs, and a Medtronic/Covidien two-patent suit settled "for a fraction of the exposed revenue." She was also a team member on the August 2020 WilmerHale trial win for Bristol-Myers Squibb and Pfizer in the Eliquis Hatch-Waxman litigation. A Drexel alumni profile states she was part of a trial team that won a $393.6 million jury verdict; that figure matches Edwards Lifesciences v. Medtronic CoreValve (D. Del. 2014), but the connection between Cohen and that specific case is not independently confirmed in the sources I found, so treat it as unverified.

PTAB / IPR experience. Yes — this is a signature part of her practice. She co-chaired WilmerHale's Post-Grant Proceedings Group and is a PTAB Bar Association member. Verified PTAB work includes the Neurent IPR series (IPR2024-00277/‑278/‑279/‑280/‑281/‑282 and ‑00669), a series of IPRs for Medtronic Vascular against U.S. Patent No. 8,206,427, and a Director Review request in Medtronic v. Avanos (IPR2020-00895). After moving to Sidley she was designated lead counsel on IPR2024-01487 (U.S. Pat. No. 9,308,138).

Bar / education. Admitted in the District of Columbia; registered patent attorney (USPTO Reg. No. 76,998). JD, George Washington University Law School (2012, highest honors); BS, Biomedical Engineering, Drexel University (2009, summa cum laude).