Christopher S. Kroon

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Christopher S. Kroon — Patent Litigation Practice Summary

Focus areas. Kroon is a Boston-based patent and trade secret litigator at Duane Morris and a registered U.S. patent attorney whose practice centers on medical devices and life sciences. His firm profile and Legal 500 listing describe work on orthopedic and surgical device matters (hip and knee implants, upper- and lower-extremity devices, bone plates/screws, reaming and ankle fusion products), DNA/RNA therapeutics, recombinant proteins, and pharmaceutical disputes spanning compounds, formulations, polymorphs, dosing and methods of treatment. He also reports experience in electronics, semiconductor packaging, lighting, speech recognition software, and clinical diagnostic assays. His technical background is in biochemistry — he worked as a research scientist in Boston Medical Center's vascular surgery department before law school.

Side of the "v." The tracked case set shows one plaintiff-side appearance and none as a defendant, which reflects Fujirebio Diagnostics, Inc. v. Quanterix Corp. — there Fujirebio was the declaratory-judgment plaintiff and parallel IPR petitioner. That tracked sample is narrow: his broader docket is predominantly defense-side, representing medical device manufacturers (longtime client Wright Medical Technology) and pharmaceutical companies in Hatch-Waxman/ANDA litigation (Amneal, Sandoz, Wockhardt, Actavis, Apotex, Watson, Catalent, Dicerna). He also takes plaintiff-side work, including declaratory-judgment actions for generics and commercial cases for Saint-Gobain and American Biltrite. Net: both sides, with a defense tilt toward operating companies rather than NPE/PAE plaintiffs.

Firm context. Duane Morris is his current firm — associate 2005–2012, partner since 2013. Before that he was an associate at Testa, Hurwitz & Thibeault (2004–2005). Sources: his Duane Morris bio, Legal 500, Martindale, and Super Lawyers (Massachusetts Rising Stars 2014–2017).

Notable matters and PTAB work. Reported results include In re Copaxone (Fed. Cir. affirmance invalidating four glatiramer acetate patents for Amneal); Howmedica Osteonics v. Wright Medical (summary judgment of invalidity, affirmed on appeal); AngleFix Technology v. Wright Medical (most asserted claims invalidated at the PTAB, remaining claims resolved by summary judgment); Spineology v. Wright Medical (summary judgment of non-infringement affirmed); UCB v. Catalent (preliminary injunction denied; plaintiff dismissed with prejudice); and an Amgen summary judgment invalidating patents asserted by OssiFi Mab. He appears in PTAB proceedings as part of Duane Morris cross-office teams, including IPR2021-00245 through -00248 and IPR2025-01060. In the tracked Fujirebio matter the Board denied institution of IPR2025-01060 (Oct. 7, 2025) on § 325(d) discretionary grounds, and the Delaware case was dismissed with prejudice in April 2026 after a settlement stay.

Bar / education. Admitted in Massachusetts (2004), USPTO Reg. No. 54,241, D. Mass., First Circuit, and Federal Circuit; J.D. magna cum laude, Franklin Pierce Law Center (now UNH Franklin Pierce), 2004; B.S. summa cum laude, University of New Hampshire, 1999.

Note: the specific case results above are drawn largely from Kroon's own firm biography and Legal 500 submission; docket-level confirmation exists for the Fujirebio/Quanterix matters and the Howmedica and Spineology Federal Circuit rulings, but most other entries are self-reported rather than independently verified.