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35 U.S.C. § 299

Joinder of parties

United States · Title 35 — PATENTS · Status: effective

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35 U.S.C. § 299, Joinder of parties, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/470916
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With respect to any civil action arising under any Act of Congress relating to patents, other than an action or trial in which an act of infringement under section 271(e)(2) has been pled, parties that are accused infringers may be joined in one action as defendants or counterclaim defendants, or have their actions consolidated for trial, only if—

Legislative history

The public laws that enacted or amended this section. Tallies are for the whole bill as it passed each chamber — often an omnibus covering far more than this provision — not a vote on this section alone.