Heidi Brunell v. Thermo Fisher Scientific Inc.; Adrian Moores; and Does 1 through 10, inclusive

District Court, S.D. California·Decided November 3, 2025·No. 3:25-cv-01125·Unknown

Opinion

HEIDI BRUNELL, an individual, Case No.: 25-CV-1125 JLS (DEB)

Plaintiff, ORDER GRANTING PLAINTIFF’S v. MOTION FOR LEAVE TO AMEND COMPLAINT THERMO FISHER SCIENTIFIC INC.;

ADRIAN MOORES, an individual; and (ECF No. 23) DOES 1 through 10, inclusive,

Defendants. Presently before the Court is Plaintiff Heidi Brunell’s Motion for Leave to Amend Complaint (“Mot.” ECF No. 23). Also before the Court is Defendants Thermo Fisher Scientific Inc.’s and Adrian Moores’s Opposition to Plaintiff’s Motion for Leave (“Opp’n,” ECF No. 29) and Plaintiff’s Reply to Opposition to Motion for Leave to Amend Complaint (“Reply,” ECF No. 35). Plaintiff seeks to amend the Complaint (“Compl.,” ECF No. 1) in light of evidence disclosed by Defendants after the deadlines for initial disclosures and amending pleadings. Mot. at 2. For the reasons set forth below, the Court GRANTS Plaintiff’s Motion (ECF No. 23). Motions to amend are governed by Federal Rule of Civil Procedure 15, which, as relevant here, provides that a party may amend its pleading once as a matter of course within twenty-one days of service of a motion under Rule 12(b) but otherwise must obtain either leave of the court or the written consent of the adverse party in order to amend. Fed. R. Civ. P. 15(a); Eminence Capital, LLC v. Aspeon, Inc., 316 F.3d 1048, 1051 (9th Cir. 2003) (citing Fed. R. Civ. P. 15(a)). The general policy provided by Rule 15(a)(2) that the court should freely give leave “when justice so requires” is “to be applied with extreme liberality.” Eminence Capital, LLC, 316 F.3d at 1051 (quoting Owens v. Kaiser Found. Health Plan, Inc., 244 F.3d 708, 712 (9th Cir. 2001)). Accordingly, leave should be “freely given” absent “undue delay, bad faith or dilatory motive on the part of the movant, repeated failure to cure deficiencies by amendments previously allowed, undue prejudice to the opposing party by virtue of allowance of the amendment, futility of amendment, etc.” Foman v. Davis, 371 U.S. 178, 182 (1962); see also Yakama Indian Nation v. State of Wash. Dept. of Revenue, 176 F.3d 1241, 1246 (9th Cir. 1999) (“Amendment under the Federal Rules of Civil Procedure should be granted unless amendment would cause prejudice to the opposing party, is sought in bad faith, is futile, or creates undue delay.”) (internal quotation omitted). Of these factors, prejudice is the most important. Eminence Capital, LLC, 316 F.3d at 1052. “The party opposing amendment bears the burden of showing prejudice.” DCD Programs, Ltd. v. Leighton, 833 F.2d 183, 187 (9th Cir. 1987). In deciding whether to grant leave to amend, a trial court “should be guided by the underlying purpose of Rule 15(a) . . . to facilitate decisions on the merits, rather than on technicalities or pleadings.” James v. Pliler, 269 F.3d 1124, 1126 (9th Cir. 2001) (citing United States v. Webb, 655 F.2d 977, 979–80 (9th Cir. 1981)). Absent prejudice or a strong showing of the other Foman factors, there is a presumption in favor of granting leave to amend. Eminence Capital, LLC, 316 F.3d at 1052 (internal citation omitted). / / / / / /

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Heidi Brunell v. Thermo Fisher Scientific Inc.; Adrian Moores; and Does 1 through 10, inclusive, (S.D. Cal. 2025).

Heidi Brunell v. Thermo Fisher Scientific Inc.; Adrian Moores; and Does 1 through 10, inclusive (Heidi Brunell v. Thermo Fisher Scientific Inc.; Adrian Moores; and Does 1 through 10, inclusive) — published by Counsel Stack Legal Research, free access to 12M+ legal documents.

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