Mixteco Enterprises, Inc. v. JPMorgan Chase Bank, National Association

District Court, S.D. California·Decided August 12, 2026·No. 3:25-cv-02106·Unknown

Opinion

MIXTECO ENTERPRISES, INC., Case No.: 3:25-cv-02106-BTM-MMP

Plaintiff, ORDER GRANTING MOTION TO v. DISMISS

[ECF NO. 12] NATIONAL ASSOCIATON, Defendant.

Before the Court is Defendant JPMorgan Chase Bank’s motion to dismiss (ECF No. 12 (“MTD”)) Plaintiff Mixteco Enterprise’s first amended complaint (ECF No. 10 (“FAC”)). After considering the Parties’ arguments and the law, the Court GRANTS the MTD without prejudice. // // // Around February 28, 2025, Mixteco deposited a check in the amount of $8,400 (the “Check”) into its account with Chase (the “Account”). (FAC at ¶¶ 2–3.) The deposit was returned because Chase had imposed a stop payment on the Check. (Id. at ¶ 4.) On March 3, 2025, Chase debited the Account for the amount of the Check. (Id. at ¶ 5.) The next day, on March 4, 2025, Chase debited $8,400 from the Account a second time. (Id. at ¶ 5.) Between March 4 and 7, 2025, Chase took an additional $7,521.92 from the Account via a series of four transactions. (Id. at ¶¶ 6–9.) After Mixteco’s principal, Jorge Morales, contacted Chase, representatives from Chase informed him that the bank would return the funds to the Account on or before March 11, 2025. (Id. at ¶¶ 10–14.) However, on March 14, 2025, Chase took an additional $2,665.20 from the Account and did not return any funds back to the Account until March 17, 2025. (Id. at ¶¶ 15–16.) On March 17, 2025 Chase returned $8,400 to the Account and sent a letter (the “Letter”) to Mixteco. (ECF No. 15 (“Exhibit B”).) In the Letter, a representative of Chase explained that it had made an adjustment to the Account to correct an error Chase had previously made. (Id.) According to Chase, when the $8,400 check was returned to it by the issuer’s bank, Chase erroneously subtracted $8,400 from the Account twice; once on March 3 and once on March 4. (Id.) On March 11, 2025, Chase added $8,400 back to the Account. (Id.) During the two-week period in March 2025, Chase maintained that the Account had negative balance and charged Mixteco overdraft fees. (FAC at ¶¶ 18–19.) On March 24, 2025, Mixteco filed a complaint in state court against Chase. (MTD at 9.) In response, Chase filed a demurrer and then removed this action to this Court on the basis of diversity jurisdiction. (Id. at 9.) On September 19, 2025, Mixteco filed its FAC and pleaded five causes of action: (1) civil theft under California Penal Code § 496, (2) conversion, (3) negligence, (4) accounting, and (5) breach of fiduciary duty. (FAC at ¶¶ 22–145.) // Chase filed its MTD on October 17, 2025. In its MTD, Chase contends that the FAC should be dismissed on eight grounds. First, the California Uniform Commercial Code preempts the common law claims for conversion and negligence; second, the economic loss doctrine bars the Mixteco’s conversion and negligence claims; third, the civil theft claim fails as a matter of law; fourth, the negligence claim fails because Chase owed no legal duty to Mixteco beyond its contractual obligations; fifth, the accounting claim fails as a matter of law; sixth, Mixteco cannot state a claim for breach of fiduciary duty against Chase; seventh, Mixteco has not properly pleaded that it is entitled to punitive damages; and eighth, amendment of the FAC would be futile. Mixteco filed an opposition (ECF No. 14 (“Opposition”)) to the MTD and Chase filed a reply in support of the MTD (ECF No. 16 (“Reply”)). Federal Rule of Civil Procedure 12(b)(6) permits a party to raise by motion the defense that the complaint “fail[s] to state a claim upon which relief can be granted.” The Court evaluates whether a complaint states a cognizable legal theory and sufficient facts in light of Federal Rule of Civil Procedure 8(a), which requires a “short and plain statement of the claim showing that the pleader is entitled to relief.” Although Rule 8 does not require “detailed factual allegations” it does require more than “labels and conclusions, and a formulaic recitation of a cause of action’s elements will not do.” Ashcroft v. Iqbal, 556 U.S. 662, 678 (2009) (quoting Bell Atl. Corp. v. Twombly, 550 U.S. 544, 555 (2007)). “Nor does a complaint suffice if it tenders ‘naked assertion[s]’ devoid of ‘further factual enhancement.’ ” Iqbal, 556 U.S. at 678 (alteration in original) (quoting Twombly, 550 U.S. at 557). To survive a motion to dismiss, a complaint must contain sufficient factual matter, accepted as true, to state a claim to relief that is plausible on its face.” Id. (quoting Twombly, 550 U.S. at 570); see also, Fed. R. Civ. P. 12(b)(6). A claim is facially plausible when the facts pleaded allow the court to draw the reasonable inference that the defendant is liable for the misconduct alleged. Iqbal, 556 U.S. at 678 (citing Twombly, 550 U.S. at 556). There must be “more than a sheer possibility that a defendant has acted unlawfully. Id. (citing Twombly, 550 U.S. at 556). The Court will grant leave to amend unless the pleading ‘could not possibly be cured by the allegation of other facts.’” Velez v. Cloghan Concepts LLC, 387 F. Supp. 3d 1072, 1078 (S.D. Cal. 2019) (quoting Ramirez v. Galaza, 334 F.3d 850, 861 (9th Cir. 2003)). A. California Uniform Commercial Code and Preemption First, Chase contends that Mixteco’s second (conversion) and third (negligence) causes of action—which are both based on common law theories of torts—are preempted by the California Uniform Commercial Code (“UCC”), which provides the exclusive statutory framework for disputes involving negotiable instruments and depository banks. (MTD at 10–11.) The UCC does not automatically displace all other legal principles. Zengen, Inc. v. Comerica Bank, 41 Cal. 4th 239, 251 (2007). Section 1103 of the UCC provides that “[u]nless displaced by the particular provisions of this code, the principles of law and equity, including […] fraud, misrepresentation […] shall supplement its provisions.” Cal. U. Com. Code § 1103, subd. (b). Therefore, other principles of law will still apply unless some particular provision of the UCC has displaced them. Zengen, 41 Cal. 4th at 251; see also, Chino Commercial Bank, N.A. v. Peters, 190 Cal. App. 4th 1163, 1170 (2010) (“[T]he UCC expressly displaces common law, to the extent that its ‘particular provisions’ apply.”). Chase takes the position that Divisions 3 and 4 have displaced the common law and provide the exclusive statutory framework for disputes involving negotiable instruments and depository banks. (MTD at 11.) Division 3 provides that the definition of an “instrument” includes a “check.” Cal. Com. Code §§ 3104(b), (e), (f). Division 4 defines a “depository bank” as the “first bank to take an item even though it is also the payor bank, unless the item is presented for immediate payment over the counter” and a “collecting bank” as the “bank handling an item for collection except the payor bank.” Cal. Com. Code §§ 1404(2), (5). Here, Chase is a depository bank for purposes of the UCC because Mixteco deposited the Check, which is an instrument under Division 3, with Chase. Nevertheless, the UCC would only apply to the initial Check for $8,400, if at all, and not the other later debits made by Chase from the Account, because the UCC governs the negotiation of the Check and conduct related to the negotiation, not subsequent allegedly wrongful debits. Even then, the UCC would only apply to claims related to the negotiation and warranties of the Check, and the claims here would arise under a theory of breach of contract or a claim for money had and received. The FAC here only pleaded c

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Mixteco Enterprises, Inc. v. JPMorgan Chase Bank, National Association, (S.D. Cal. 2026).

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