District Court, D. Massachusetts · Docket 3:26-cv-30081
Active Litigation
Latest development · July 30, 2026
NOTICE of Appearance by Amir Jabbari on behalf of Anthropic PBC (Jabbari, Amir)
This case is tracked against its live court docket. A written summary has not been published yet; the docket facts above are current as of the last check.
NOTICE of Appearance by Yar R. Chaikovsky on behalf of Anthropic PBC (Chaikovsky, Yar) Docket #29 →
NOTICE of Appearance by Amir Jabbari on behalf of Anthropic PBC (Jabbari, Amir) Docket #30 →
Judge Mark G. Mastroianni: ELECTRONIC ORDER entered granting [25] Motion for Leave to Appear Pro Hac Vice Added Amir Jabbari. Docket #27 →
ANSWER to [23] Amended Complaint, , COUNTERCLAIM against Daniel Benjamin Gilbert by Anthropic PBC.(Papenhausen, Lauren) Docket #28 →
Judge Mark G. Mastroianni: ELECTRONIC ORDER entered granting [24] Motion for Leave to Appear Pro Hac Vice Added Yar R. Chaikovsky. Docket #26 →
Assented to MOTION for Leave to Appear Pro Hac Vice for admission of Yar R. Chaikovsky Filing fee: $ 125, receipt number AMADC-11919853 by Anthropic PBC. (Attachments: (1) Certification by Yar R. Chaikovsky)(Papenhausen, Lauren) Docket #24 →
Assented to MOTION for Leave to Appear Pro Hac Vice for admission of Amir Jabbari Filing fee: $ 125, receipt number AMADC-11919920 by Anthropic PBC. (Attachments: (1) Certification by Amir Jabbari)(Papenhausen, Lauren) Docket #25 →
AMENDED COMPLAINT against Anthropic PBC, filed by Daniel Benjamin Gilbert. (Attachments: (1) Exhibit List, (2) Exhibit A, (3) Exhibit B, (4) Exhibit C, (5) Exhibit D, (6) Exhibit E, (7) Exhibit F, (8) Exhibit G, (9) Exhibit H, (10) Exhibit I, (11) Exhibit J, (12) Exhibit K, (13) Exhibit L, (14) Exhi Docket #23 →
NOTICE of Appearance by Andrew Mark Legolvan on behalf of Anthropic PBC (Legolvan, Andrew) (Entered: 07/06/2026) Docket #22 →
NOTICE of Appearance by Anna Balishina Naydonov on behalf of Anthropic PBC (Naydonov, Anna) (Entered: 07/06/2026) Docket #21 →
Judge Mark G. Mastroianni: ELECTRONIC ORDER entered granting 18 Motion for Leave to Appear Pro Hac Vice Added Attorney Andy LeGolvan. Attorneys admitted Pro Hac Vice must have an individual PACER account, not a shared firm account, to electronically file in the District of Massachusetts. To register Docket #20 →
Judge Mark G. Mastroianni: ELECTRONIC ORDER entered granting 17 Motion for Leave to Appear Pro Hac Vice Added Attorney Anna Naydonov. Attorneys admitted Pro Hac Vice must have an individual PACER account, not a shared firm account, to electronically file in the District of Massachusetts. To register Docket #19 →
MOTION for Leave to Appear Pro Hac Vice for admission of Andy LeGolvan Filing fee: $ 125, receipt number AMADC-11859746 by Anthropic PBC. (Attachments: # 1 Certification by Andy LeGolvan)(Papenhausen, Lauren) (Entered: 07/01/2026) Docket #18 →
Judge Mark G. Mastroianni: ELECTRONIC ORDER entered granting 15 Motion for Extension of Time to Answer Anthropic PBC answer due 7/29/2026. (TRL) (Entered: 06/22/2026) Docket #16 →
Assented to MOTION for Extension of Time to 07/29/2026 to File Answer re 1 Complaint, by Anthropic PBC.(Papenhausen, Lauren) (Entered: 06/18/2026) Docket #15 →
ELECTRONIC NOTICE of Reassignment. Judge Mark G. Mastroianni added. Magistrate Judge Christopher L. Morgan no longer assigned to case. (MPZ) (Entered: 06/12/2026) Docket #13 →
Docket entries sync nightly from CourtListener and the RECAP Archive. Full filings are one click away on the linked docket.
Facts on this page were last verified against the docket on August 3, 2026. See how we track these cases, or return to all tracked cases.
The AI Business Enablement Audit™ measures your organization against every framework in this library, including Gilbert lawsuit, and delivers a defensible governance dossier. Start or finish your audit below.
Start or finish your AI Audit →We use cookies that are necessary for the site to work. Read the privacy policy.