Drummer, et al. v. CoStar Group, Inc.
Petitioner: COSTAR GROUP, INC.
Respondent: DYWANNA DRUMMER, ANTHONY D' ANTONIO, SCHALISE LEE, CYNTHIA RUBIO and MARY LEE WALLACE, Individually and on Behalf of All Other Similarly Situated
Case Number: 26-1160
Filed: February 27, 2026
Court: U.S. Court of Appeals, Ninth Circuit
Nature of Suit: Other
Docket Report

This docket was last retrieved on March 18, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
March 18, 2026 Opinion or Order Filing 7 ORDER FILED. (John B. OWENS, Patrick J. BUMATAY) The motion (Docket Entry No. 5) for leave to file a reply in support of the petition is granted. The petition for permission to appeal is granted. See 28 U.S.C. 1292(b). Within 14 days, petitioner must comply with Federal Rule of Appellate Procedure 5(d)(1). [Entered: 03/18/2026 01:31 PM]
March 13, 2026 Filing 6 REPLY to Answer (DE 4) filed by Petitioner CoStar Group, Inc.. [COURT ENTERED FILING to correct DE 5.] [Entered: 03/13/2026 01:38 PM]
March 13, 2026 Filing 5 MOTION for Leave to File Reply filed by Petitioner CoStar Group, Inc.. [COURT UPDATE: Removed reply (filed correctly at DE 6).] [Entered: 03/13/2026 01:18 PM] [Edited: 03/13/2026 01:39 PM]
March 9, 2026 Filing 4 ANSWER to Petition for Permission to Appeal Pursuant to 28 U.S.C. Sec. 1292(b) (DE 1) filed by Respondent Dywanna Drummer, Respondent Anthony D' Antonio, Respondent Schalise Lee, Respondent Cynthia Rubio, Respondent Mary Lee Wallace. [Entered: 03/09/2026 04:25 PM]
February 27, 2026 Filing 3 SCHEDULE NOTICE for Petition for Permission to Appeal. [Entered: 02/27/2026 02:47 PM]
February 27, 2026 Filing 2 CASE OPENED. Your case opening documents have been received in the Clerk's office of the United States Court of Appeals for the Ninth Circuit on 2/27/2026. The U.S. Court of Appeals docket number 26-1160 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 #Appellate Practice Guide. Attorneys should consider the court's #Appellate Mentoring Program for assistance. [Entered: 02/27/2026 02:45 PM]
February 27, 2026 Filing 1 PETITION for Permission to Appeal Pursuant to 28 U.S.C. Sec. 1292(b) filed by Petitioner CoStar Group, Inc.. [Entered: 02/27/2026 02:44 PM]

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