Drummer, et al. v. CoStar Group, Inc.
Plaintiff: DYWANNA DRUMMER, ANTHONY D' ANTONIO, SCHALISE LEE, CYNTHIA RUBIO and MARY LEE WALLACE, Individually and on behalf of All others Similarly Situated
Defendant: COSTAR GROUP, INC.
Case Number: 26-1652
Filed: March 19, 2026
Court: U.S. Court of Appeals, Ninth Circuit
Nature of Suit: Other Personal Injury
Docket Report

This docket was last retrieved on April 23, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
April 23, 2026 Filing 15 RELEASED FROM MEDIATION (text only). This case is released from the Mediation Program. [Entered: 04/23/2026 09:02 AM]
April 21, 2026 Filing 14 ADDED Counsel for Appellant Roman Martinez [Entered: 04/21/2026 11:09 AM]
April 21, 2026 Filing 13 NOTICE OF APPEARANCE by Roman Martinez for Appellant CoStar Group, Inc.. [Entered: 04/21/2026 09:43 AM]
April 13, 2026 Opinion or Order Filing 12 ORDER FILED. Streamlined Request for Extension of Time to File Brief (DE 11) denied as unnecessary. The request is premature. The opening brief has not been filed. [Entered: 04/13/2026 12:30 PM]
April 13, 2026 Filing 11 Streamlined Request for Extension of Time to File Brief filed by Appellee Dywanna Drummer, Appellee Anthony D' Antonio, Appellee Schalise Lee, Appellee Cynthia Rubio, Appellee Mary Lee Wallace. [Entered: 04/13/2026 09:44 AM]
April 8, 2026 Filing 10 ADDED Counsel for Appellee Melissa H. Harris [Entered: 04/08/2026 09:46 AM]
April 8, 2026 Filing 9 NOTICE OF APPEARANCE by Melissa H. Harris for Appellee Anthony D' Antonio, Appellee Cynthia Rubio, Appellee Dywanna Drummer, Appellee Mary Lee Wallace, Appellee Schalise Lee. [Entered: 04/08/2026 06:09 AM]
March 30, 2026 Filing 8 MEDIATION CONFERENCE SCHEDULED - DIAL-IN Assessment Conference, 4/22/2026, 11:00 a.m. PACIFIC Time. See order for instructions and details. [Entered: 03/30/2026 06:20 PM]
March 24, 2026 Opinion or Order Filing 7 ORDER FILED. Streamlined Request for Extension of Time to File Brief (DE 6) granted. Amended briefing schedule: Answering Brief Due (Appellee) 6/29/2026, Opening Brief Due (Appellant) 5/28/2026. Optional Reply Brief due 21 days after service of Answering Brief. All briefs shall be served and filed pursuant to FRAP 31 and 9th Cir. R. 31-2.1. [Entered: 03/24/2026 02:42 PM]
March 24, 2026 Filing 6 Streamlined Request for Extension of Time to File Brief filed by Appellant CoStar Group, Inc.. [Entered: 03/24/2026 12:38 PM]
March 24, 2026 Filing 5 MEDIATION QUESTIONNAIRE filed by Appellant CoStar Group, Inc.. To submit pertinent confidential information directly to the Circuit Mediators, please email #[email protected] and include the case name and number in the subject line. Confidential submissions may include any information relevant to mediation of the case and settlement potential, including, but not limited to, settlement history, ongoing or potential settlement discussions, non-litigated party related issues, other pending actions, and timing considerations that may impact mediation efforts. [Entered: 03/24/2026 12:36 PM]
March 24, 2026 Filing 4 DISCLOSURE STATEMENT pursuant to FRAP 26.1 and CR 26.1-1 filed by Appellant CoStar Group, Inc.. [Entered: 03/24/2026 12:35 PM]
March 19, 2026 Filing 3 Filed Copy of Order Granting Petition for Permission to Appeal. [Entered: 03/19/2026 12:05 PM]
March 19, 2026 Filing 2 SCHEDULE NOTICE. Mediation Questionnaire due (Appellant) 3/24/2026, Appeal Answering Brief (No Transcript Due) (Appellee) 5/28/2026, Appeal Opening Brief (No Transcript Due) (Appellant) 4/28/2026. For appeal no. 26-1652, 5:25-cv-01047-JGB-SP. All briefs shall be served and filed pursuant to FRAP 31 and 9th Cir. R. 31-2.1. Failure of the petitioner(s)/appellant(s) to comply with this briefing schedule will result in automatic dismissal of the appeal. See 9th Cir. R. 42-1. [Entered: 03/19/2026 12:00 PM]
March 19, 2026 Filing 1 CASE OPENED. A copy of your notice of appeal / petition filed in 5:25-cv-01047-JGB-SP has been received in the Clerk's office of the United States Court of Appeals for the Ninth Circuit. The U.S. Court of Appeals docket number 26-1652 has been assigned to this case. All communications with the court must indicate this Court of Appeals docket number. Please carefully review the docket to ensure the name(s) and contact information are correct. It is your responsibility to alert the court if your contact information changes. Resources Available For more information about case processing and to assist you in preparing your brief, please review the Case Opening Information (for #attorneys and #pro se litigants) and review the #Appellate Practice Guide. Attorneys should consider contacting the court's #Appellate Mentoring Program for help with the brief and argument. [Entered: 03/19/2026 11:39 AM]

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Search for this case: Drummer, et al. v. CoStar Group, Inc.
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Plaintiff: DYWANNA DRUMMER
Represented By: Mr. Lewis S. Kahn
Represented By: Mr. Donald Bivens
Represented By: Ms. Kim Miller
Represented By: Ms. Melissa H. Harris
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Plaintiff: ANTHONY D' ANTONIO
Represented By: Mr. Lewis S. Kahn
Represented By: Mr. Donald Bivens
Represented By: Ms. Kim Miller
Represented By: Ms. Melissa H. Harris
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Plaintiff: SCHALISE LEE
Represented By: Mr. Lewis S. Kahn
Represented By: Mr. Donald Bivens
Represented By: Ms. Kim Miller
Represented By: Ms. Melissa H. Harris
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Plaintiff: CYNTHIA RUBIO
Represented By: Mr. Lewis S. Kahn
Represented By: Mr. Donald Bivens
Represented By: Ms. Kim Miller
Represented By: Ms. Melissa H. Harris
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Plaintiff: MARY LEE WALLACE, Individually and on behalf of All others Similarly Situated
Represented By: Mr. Lewis S. Kahn
Represented By: Mr. Donald Bivens
Represented By: Ms. Kim Miller
Represented By: Ms. Melissa H. Harris
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Defendant: COSTAR GROUP, INC.
Represented By: Mr. Blake E. Stafford
Represented By: Mr. Nicholas Boyle
Represented By: Alexander Wyman
Represented By: Michael H. Rubin
Represented By: Mr. Roman Martinez
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