Paul A. Lapchak v. Paradigm Biopharmaceuticals (USA), Inc.; Donna Skerrett

District Court, S.D. California·Decided July 24, 2026·No. 3:24-cv-00143·Unknown

Opinion

PAUL A. LAPCHAK, an individual, Case No.: 24-CV-143 JLS (DDL)

Plaintiff, ORDER GRANTING IN PART AND v. DENYING IN PART DEFENDANT’S MOTION TO DISMISS THIRD AMENDED COMPLAINT (USA), INC., a Delaware corporation; and DONNA SKERRETT, an individual, (ECF No. 27) Defendants. Presently before the Court is Defendant Paradigm Biopharmaceuticals (USA), Inc.’s (“Paradigm”) Motion to Dismiss Plaintiff’s Third Amended Complaint’s Second and Third Causes of Action (“Mot.,” ECF No. 27) and Memorandum of Points and Authorities in Support Thereof (“Mem.,” ECF No. 27-1). Plaintiff Paul A. Lapchak (“Plaintiff”) filed an Opposition to the Motion (“Opp’n,” ECF No. 28), to which Paradigm submitted a Reply (“Reply,” ECF No. 30). The Court took this matter under submission without oral argument pursuant to Civil Local Rule 7.1(d)(1) on October 23, 2025. ECF No. 29. Having carefully considered the Parties’ arguments, Plaintiff’s Third Amended Complaint (“TAC,” ECF No. 24), and the law, the Court GRANTS IN PART and DENIES IN PART Paradigm’s Motion to Dismiss. / / / I. Procedural Background Plaintiff initiated this action by filing a Complaint against Paradigm and Donna Skerrett (“Skerrett”) on January 22, 2024. See ECF No. 1. Plaintiff filed his First Amended Complaint on March 28, 2024, alleging four causes of action: (1) breach of contract against all Defendants; (2) breach of fiduciary duties against Skerrett; (3) violation of “California Whistleblower Statute” against all Defendants; and (4) violations of “California Employment Law” against all Defendants. ECF No. 4 (“FAC”). Defendants then moved to dismiss Plaintiff’s Second, Third, and Fourth Causes of Action for failure to state a claim upon which relief can be granted. See generally ECF No. 9. On February 7, 2025, the Court granted Defendants’ Motion and dismissed Plaintiff’s Second, Third, and Fourth Causes of Action without prejudice and with leave to amend. See ECF No. 15 (“FAC Order”) at 18–19. On April 29, 2025, Plaintiff filed a Second Amended Complaint (“SAC,” ECF No. 18). The SAC alleged seven causes of action: (1) breach of contract against both Defendants; (2) violation of “California Whistleblower Statute” against both Defendants; (3) violation of California Labor Code § 204 against Paradigm; (4) violation of California Labor Code § 203 against Paradigm; (5) violation of California Labor Code § 226 against Paradigm; (6) retaliation in violation of public policy against Paradigm; and (7) retaliation under California Labor Code § 98.6 against Paradigm. See generally SAC. Defendants then moved to dismiss the SAC’s First Cause of Action as to Skerrett and Second Cause of Action as to both Defendants. See generally ECF No. 19. On August 5, 2025, the Court granted Defendants’ Motion. ECF No. 23 (“SAC Order”). The Court dismissed the First Cause of Action as to Skerrett without prejudice and with leave to amend. See SAC Order at 12–13. The Court dismissed the Second Cause of Action as to Skerrett with prejudice and without leave to amend. Id. The Court also dismissed the Second Cause of Action as to Paradigm, to the extent premised on California Labor Code § 1102.5(b) and (c), without prejudice and with leave to amend. Id. On August 26, 2025, Plaintiff filed a Third Amended Complaint (“TAC,” ECF No. 24). The TAC again alleges seven causes of action: (1) breach of contract against Paradigm; (2) violation of “California Whistleblower Statute” against Paradigm; (3) violation of California Labor Code § 204 against Paradigm; (4) violation of California Labor Code § 203 against Paradigm; (5) violation of California Labor Code § 226 against Paradigm; (6) retaliation in violation of public policy against Paradigm; and (7) retaliation under California Labor Code § 98.6 against Paradigm. See generally TAC. On September 23, 2025, Paradigm filed the present Motion to Dismiss the TAC’s Second Cause of Action, to the extent premised on California Labor Code § 1102.5(b) and (c), and Third Cause of Action for violation of California Labor Code § 204. See Mot. On October 16, 2025, Plaintiff filed an Opposition. See Opp’n. On October 23, 2025, Paradigm filed its Reply. See Reply. II. Third Amended Complaint: Plaintiff’s Allegations Plaintiff Paul Lapchak, a San Diego resident, is a renowned scientist with a Ph.D. in Pharmacology. TAC ¶¶ 1, 8. Plaintiff was hired by Paradigm, a Delaware corporation that develops and sells drug formulas, to be its executive, holding the title of “Global Head of Translational Development,” on or about October 7, 2022. Id. ¶¶ 2, 9, 11. Plaintiff and Paradigm entered into a contract, the “Employment Agreement,” which required Paradigm to provide certain financial compensation and Paradigm shares to Plaintiff as part of the employment inducement. Id. ¶¶ 35, 36. Plaintiff was an executive for approximately 12 months, and his last performance evaluation indicated he “exceeded on all measures of performance.” Id. ¶ 10. Paradigm develops pentosan polysulfate sodium (“PPS”) under the name “Zilosul®” to treat osteoarthritis. Id. ¶ 11. Plaintiff alleges Paradigm’s statements show Zilosul was intended for commercial use, and not research use. Id. Plaintiff further alleges that because Zilosul had not previously been sold for this use, it was a “new drug” subject to 21 U.S.C. § 355. Id. ¶ 14. Plaintiff cites § 355(a), § 355(b)(1)(A)(i), and § 355(e), alleging those provisions require approval before a new drug is introduced into interstate commerce, reports showing whether the drug is safe for use, and withdrawal or suspension of approval where scientific data show the drug is unsafe. Id. ¶¶ 14, 26. On or about October 2, 2023, via Paradigm company email, Plaintiff reported that Zilosul exhibited high levels of drug toxicity to Michael Sheehan, Michael Imperiale, Kate Larsen, Karla Knower, and Skerrett, all Paradigm employees and executives. Id. ¶ 12. Plaintiff alleges this email placed Paradigm on notice of unsafe levels of drug toxicity beyond No Observed Adverse Effect Levels (“NOAEL”). Id. Plaintiff further alleges Michael Imperiale, Paradigm’s Global Head of Drug Safety and MPS, responded on October 4, 2023, that the NOAEL was “concerning” and asked Plaintiff to set up a meeting to discuss the data and next steps. Id. ¶ 13. Plaintiff alleges he was concerned Zilosul could not be used at a dose high enough to effectuate its intended use in humans and, for that reason, the drug failed to comply with § 355’s safety requirements for new drugs. Id. ¶ 17. On or about October 3, 2023, Paradigm sent Plaintiff a new employment agreement that had not been negotiated with him, and which “materially altered several aspects of the parties’ agreed-upon contractual relationship,” which Plaintiff alleges was to his financial detriment. Id. ¶ 18. On or about October 10, 2023, Plaintiff protested the changes and stated he would not enter into the new agreement. Id. ¶ 19. Plaintiff alleges he also informed Skerrett, whom he identifies as his supervisor and Paradigm’s CMO and Board member, that Paradigm had not paid him the shares he was owed and asked Skerrett to share his concerns with the Board. Id. ¶¶ 3, 19. Plaintiff is a shareholder in Paradigm and alleges that shares promised to him have not been timely provided, as set forth in his Employment Agreement. Id. ¶¶ 19, 22, 24. For example, his “sign-on bonus” of 25,000 shares was due by October 24, 2022, and was not timely provided. Id. ¶ 19. His one-year anniversary 100,000 shares were due October 24, 2023, and were also not timely provided. Id. ¶ 22. On October 29, 2023, Paradigm issued a “trading halt” and a “rights offer” or “entitlement offer” to its employees, and Plaintiff timely exercised his entitlement/rights offer as to the missing 125,000 shares of Paradigm stock. Id. ¶ 21. Plaintiff alleges that he has not received the 125,000 shares to which he is entitl

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Paul A. Lapchak v. Paradigm Biopharmaceuticals (USA), Inc.; Donna Skerrett, (S.D. Cal. 2026).

Paul A. Lapchak v. Paradigm Biopharmaceuticals (USA), Inc.; Donna Skerrett (Paul A. Lapchak v. Paradigm Biopharmaceuticals (USA), Inc.; Donna Skerrett) — published by Counsel Stack Legal Research, free access to 12M+ legal documents.

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