E.D. Tex. P. R. 4-5 — Claim Construction Briefs

High confidence· verified September 26, 2026Local Rules

Summary

E.D. Tex. P. R. 4-5 — Claim Construction Briefs: the court's own rule, verbatim from UNITED STATES DISTRICT COURT FOR THE EASTERN DISTRICT OF TEXAS LOCAL RULES (as of February 9, 2026), official PDF, sha-custodied. Court-level requirement: applies in every case before the U.S. District Court for the Eastern District of Texas alongside the federal rules and any judge-specific procedures.

Requirement

(a) Not later than 45 days after serving and filing the Joint Claim Construction and Prehearing Statement, the party claiming patent infringement shall serve and file an opening brief and any evidence supporting its claim construction. All asserted patents shall be attached as exhibits to the opening claim construction brief in searchable PDF form. (b) Not later than 14 days after service upon it of an opening brief, each opposing party shall serve and file its responsive brief and supporting evidence. (c) Not later than 7 days after service upon it of a responsive brief, the party claiming patent infringement shall serve and file any reply brief and any evidence directly rebutting the supporting evidence contained in an opposing party’s response. (d) At least 10 days before the Claim Construction Hearing held pursuant to P.R. 4-6, the parties shall jointly file a claim construction chart. (1) Said chart shall have a column listing complete language of disputed claims with disputed terms in bold type and separate columns for each party’s proposed construction of each disputed term. The chart shall also include a fourth column entitled “Court’s Construction” and otherwise left blank. Additionally, the chart shall also direct the Court’s attention to the patent and claim number(s) where the disputed term(s) appear(s). (2) The parties may also include constructions for claim terms to which they have agreed. If the parties choose to include agreed constructions, each party’s proposed construction columns shall state “[AGREED]” and the agreed construction shall be inserted in the “Court’s Construction” column. (3) The purpose of this claim construction chart is to assist the Court and the parties in tracking and resolving disputed terms. Accordingly, aside from the requirements set forth in this rule, the parties are afforded substantial latitude in the chart’s format so that they may fashion a chart that most clearly and efficiently outlines the disputed terms and proposed constructions. Appendices to the Court’s prior published and unpublished claim construction opinions may provide helpful guidelines for parties fashioning claim construction charts. (e) Unless otherwise ordered by the Court, the page limitations governing dispositive motions pursuant to Local Rule CV-7(a) shall apply to claim construction briefing.

Source of truth

(a) Not later than 45 days after serving and filing the Joint Claim Construction and Prehearing Statement, the party claiming patent infringement shall serve and file an opening brief and any evidence supporting its claim construction. All asserted patents shall be attached as ex

Official source: E.D. Tex. — Rules & Orders (U.S. District Court, Eastern District of Texas)
Source health: Healthy · checked October 4, 2026
Effective date: February 9, 2026
Last verified: September 26, 2026benchpath-appfed-rules-2026-09-25

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