The Law Mind

Joint Claim Construction Statement

E.D.N.C. Rule 304.3

Not later than 60 days after service of the “Preliminary Invalidity Contentions,” the parties shall complete and file a Joint Claim Construction Statement, which shall contain the following information: (a) The construction of those claim terms, phrases, or clauses on which the parties agree. (b) Each party's proposed construction of each disputed claim term, phrase, or clause, together with an identification of all references from the specification or prosecution history that support that construction, and an identification of any extrinsic evidence known to the party on which it intends to rely either to support its proposed construction of the claim or to oppose any other party's proposed construction of the claim, including, but not limited to, as permitted by law, dictionary definitions, citations to learned treatises and prior art, and testimony of percipient and expert witnesses. (c) The anticipated length of time necessary for the Claim Construction Hearing. (d) Whether any party proposes to call one or more witnesses, including experts, at the Claim Construction Hearing, the identity of each such witness, and for each expert, a summary of each opinion to be offered in sufficient detail to permit a meaningful deposition of that expert. No other Fed. R. Civ. P. 26 report or disclosure shall be required for testimony directed solely towards claim construction.
Official source: https://www.nced.uscourts.gov/pdfs/Local%20Civil%20Rules%202023.pdf · retrieved 2026-07-23