The Law Mind

Exchange of Proposed Terms for Construction

W.D.N.Y. Local Rule 4.2

(a) (i) Not later than seven (7) days after service of the “Final Non-Infringement Contentions” pursuant to Loc. Pat. R. 3.8, each party shall serve on each other party a list of claim terms which that party contends should be construed by the Court, and identify any claim term which that party contends should be governed by 35 U.S.C. § 112 ¶ 6; or (ii) In all cases in which a party files a complaint or other pleading seeking a declaratory judgment not based on validity, not later than twenty-one (21) days after the defendant serves an answer that does not assert a claim for patent infringement (and Loc. Pat. R. 3.1 does not apply), each party shall serve on each other party a list of claim terms which that party contends should be construed by the Court, and identify any claim term which that party contends should be governed by 35 U.S.C. § 112 ¶ 6. (b) The parties shall thereafter meet and confer for the purpose of limiting the terms in dispute by narrowing or resolving differences, and facilitating the ultimate preparation of a Joint Claim Construction and Prehearing Statement.
Official source: https://www.nywd.uscourts.gov/sites/nywd/files/2025%20Local%20Rules%20of%20Civil%20Procedu · retrieved 2026-07-23