Querytron LLC v. Poshmark, Inc.

Delaware District Court
Judge:Gregory B Williams
Case #: 1:25-cv-00956
Nature of Suit830 Property Rights - Patent
Cause35:271 Patent Infringement
Case Filed:Jul 30, 2025
Terminated:Feb 19, 2026
Last checked: Monday Jan 26, 2026 2:26 AM EST
Defendant
Poshmark, Inc.
Represented By
Steven C. Callahan
contact info
Mitchell R. Sibley
contact info
Ronald P. Golden, III
Bayard, P.A.
contact info
Christopher T. Bovenkamp
contact info
Stephen B. Brauerman
Bayard, P.A.
contact info
Plaintiff
Querytron LLC
Represented By
Antranig N. Garibian
Garibian Law Offices, P.C.
contact info


Docket last updated: 09/21/2026 11:59 PM EDT
Thursday, February 19, 2026
34 34 misc Patent/Trademark Report to Commissioner of Patents Thu 02/19 9:22 AM
Report to the Commissioner of Patents and Trademarks. (lnb)
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33 33 order SO ORDERED ~Util - Terminate Civil Case Thu 02/19 9:19 AM
SO ORDERED, re32 Stipulation of Dismissal filed by Querytron LLC, ***Civil Case Terminated. Signed by Judge Gregory B. Williams on 2/19/2026. (lnb)
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Wednesday, February 18, 2026
32 32 misc Stipulation of Dismissal Wed 02/18 12:16 PM
STIPULATION of Dismissal WITH PREJUDICE (Joint Stipulation) by Querytron LLC. (Garibian, Antranig)
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Monday, February 02, 2026
31 31 2 pgs order Order ~Util - Case Stayed Mon 02/02 11:39 AM
SO ORDERED, Case stayed. Signed by Judge Gregory B. Williams on 2/2/2026. (lnb)
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Friday, January 30, 2026
30 30 misc Status Report Fri 01/30 3:14 PM
Joint STATUS REPORT and Unopposed Motion to Stay by Querytron LLC. (Garibian, Antranig)
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Monday, December 22, 2025
29 29 2 pgs order Order Mon 12/22 4:59 PM
SO ORDERED re28 Notice of Settlement in Principle and Joint Stipulation filed by Querytron LLC. Signed by Judge Gregory B. Williams on 12/22/2025. (lnb)
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28 28 notice Notice of Settlement Mon 12/22 7:54 AM
NOTICE of Settlement as to POSHMARK, INC. by Querytron LLC (Garibian, Antranig)
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Monday, December 15, 2025
27 27 respm Brief - Reply Mon 12/15 4:02 PM
REPLY BRIEF re17 MOTION to Dismiss with Prejudice re15 Amended Complaint filed by Poshmark, Inc.. (Golden, Ronald)
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Tuesday, December 09, 2025
26 26 1 pgs order Order Tue 12/09 8:29 AM
ORDER Granting re22 MOTION for Pro Hac Vice Appearance of Attorney Isaac Philip Rabicoff filed by Querytron LLC. Signed by Judge Gregory B. Williams on 12/9/2025. (lnb)
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Monday, December 08, 2025
25 25 discov Notice of Service Mon 12/08 5:02 PM
NOTICE OF SERVICE of Defendant Poshmark, Inc.'s Initial Disclosures filed by Poshmark, Inc..(Golden, Ronald)
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24 24 respm Brief - Answering Brief in Opposition Mon 12/08 12:29 PM
ANSWERING BRIEF in Opposition re17 MOTION to Dismiss with Prejudice re15 Amended Complaint filed by Querytron LLC.Reply Brief due date per Local Rules is 12/15/2025. (Garibian, Antranig)
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Friday, December 05, 2025
23 23 misc -District Court Pro Hac Vice Fee - 01 Attorney Credit Card Payment Fri 12/05 12:13 PM
Pro Hac Vice Fee - Credit Card Payment received for Isaac Philip Rabicoff. ( re22 MOTION for Pro Hac Vice Appearance of Attorney Isaac Philip Rabicoff )( Payment of $ 50, receipt number ADEDC-4852308).(Garibian, Antranig)
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22 22 motion Appear Pro Hac Vice Fri 12/05 12:11 PM
MOTION for Pro Hac Vice Appearance of Attorney Isaac Philip Rabicoff - filed by Querytron LLC.(Garibian, Antranig)
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Att: 1 Text of Proposed Order,
Att: 2 Certification of Isaac Rabicoff
Tuesday, December 02, 2025
21 21 order Scheduling Order - Patent Tue 12/02 3:35 PM
SCHEDULING ORDER: Joinder of Parties due by 3/12/2026. Fact Discovery completed by 5/24/2027. Opening Expert Reports due by 8/9/2027. Rebuttal Expert Reports due by 9/13/2027. Reply Expert Reports due by 10/8/2027. Expert Discovery due by 11/1/2027. Claim Construction Opening Brief due by 9/11/2026. Claim Construction Answering Brief due by 9/25/2026. Claim Construction Reply Brief due by 10/9/2026. Claim Construction Surreply Brief due by 10/23/2026. Joint Claim Construction Brief due by 10/30/2026. A Markman Hearing is set for 1/21/2027 at 02:00 PM in Courtroom 6B before Judge Gregory B. Williams. Proposed Pretrial Order due by 8/9/2028. A Final Pretrial Conference is set for 8/16/2028 at 02:00 PM in Courtroom 6B before Judge Gregory B. Williams. A Five-Day Jury Trial is set for 8/21/2028 at 09:30 AM in Courtroom 6B before Judge Gregory B. Williams. Signed by Judge Gregory B. Williams on 12/2/2025. (lnb)
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Wednesday, November 26, 2025
20 20 misc Proposed Order Wed 11/26 9:43 AM
Joint PROPOSED ORDER scheduling order by Querytron LLC.(Garibian, Antranig)
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Att: 1 Cover Letter
Tuesday, November 18, 2025
order SO ORDERED ~Util - Set Briefing Schedule - open,ans,reply,surreply Tue 11/18 9:10 AM
SO ORDERED, re19 STIPULATION TO EXTEND TIME Plaintiffs time to respond to the Motion to Dismiss (D.I. 17-18) to 12/8/25 filed by Querytron LLC,17 MOTION to Dismiss with Prejudice re15 Amended Complaint filed by Poshmark, Inc., reset Briefing Schedule: re17 MOTION to Dismiss with Prejudice re15 Amended Complaint . Answering Brief due 12/8/2025. Signed by Judge Gregory B. Williams on 11/18/2025. (lnb)
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Monday, November 17, 2025
19 19 motion Stipulation to EXTEND Time Mon 11/17 12:48 PM
STIPULATION TO EXTEND TIME Plaintiffs time to respond to the Motion to Dismiss (D.I. 17-18) to 12/8/25 - filed by Querytron LLC. (Garibian, Antranig)
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Monday, November 10, 2025
18 18 respm Brief - Opening Brief in Support Mon 11/10 4:48 PM
OPENING BRIEF in Support re17 MOTION to Dismiss with Prejudice re15 Amended Complaint filed by Poshmark, Inc..Answering Brief/Response due date per Local Rules is 11/24/2025. (Brauerman, Stephen)
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17 17 motion Miscellaneous Relief Mon 11/10 4:46 PM
MOTION to Dismiss with Prejudice re15 Amended Complaint - filed by Poshmark, Inc..(Brauerman, Stephen)
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Att: 1 Proposed Order
Tuesday, October 28, 2025
16 16 order Order Tue 10/28 9:08 AM
ORAL ORDER: IT IS HEREBY ORDERED that Defendant's Motion to Dismiss (D.I. 10) is DENIED-AS-MOOT because it relates to a pleading that is no longer the operative pleading in this action. See Caredx, Inc. v. Natera, Inc., Civ. No. 19-567-CFC, 2020 WL 8186462, at *1 (D. Del. Mar. 13, 2020) ("The filing of an amended complaint generally renders a pending motion to dismiss moot." (quoting Pippett v. Waterford Dev., LLC, 166 F. Supp. 2d 233, 236 (E.D. Pa. 2001))). ORDERED by Judge Gregory B. Williams on 10/28/2025. (lnb)
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Monday, October 27, 2025
15 15 cmp Complaint - Amended Mon 10/27 3:34 PM
First AMENDED COMPLAINT against Poshmark, Inc.- filed by Querytron LLC.(Garibian, Antranig)
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Att: 1 Redlined Version,
Att: 2 Exhibit 1,
Att: 3 Exhibit 2
14 14 order Order Mon 10/27 3:31 PM
ORAL ORDER: The Court is aware that a Motion to Dismiss has been filed and is pending in this action. Nonetheless, unless and until a Motion to Dismiss is granted, the case needs to move forward. THUS, IT IS HEREBY ORDERED that, by no later than November 28, 2025, the parties shall meet and confer and file a joint proposed Scheduling Order in this action consistent with the applicable form Scheduling Order of Judge Williams, which is posted at http://www/ded/uscourts.gov (See Chambers, Judge Williams, Forms), along with a cover letter requesting the Court to enter the joint proposed Scheduling Order (if there are no disputes or other issues concerning scheduling that the Court needs to address) or to schedule the Scheduling Conference. If there are disputes or other issues the Court needs to address in the joint proposed Scheduling Order, in the cover letter, the parties shall direct the Court to the paragraph numbers in the joint proposed Scheduling Order which those appear. ORDERED by Judge Gregory B. Williams on 10/27/2025. (lnb)
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Thursday, October 02, 2025
order SO ORDERED Thu 10/02 8:49 AM
SO ORDERED, re13 Stipulation to Extend Time filed by Querytron LLC. Signed by Judge Gregory B. Williams on 10/2/25. (jaa)
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Wednesday, October 01, 2025
13 13 misc Proposed Order Wed 10/01 10:36 AM
First PROPOSED ORDER AND STIPULATION TO EXTEND TIME TO RESPOND TO THE MOTION TO DISMISS by Querytron LLC. (Garibian, Antranig)
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Monday, September 22, 2025
12 12 2 pgs misc Disclosure Statement - Rule 7.1 Mon 09/22 4:45 PM
Disclosure Statement pursuant to Rule 7.1: identifying Corporate Parent Proton Parent, Inc., Corporate Parent Naver Corporation for Poshmark, Inc. filed by Poshmark, Inc.. (Brauerman, Stephen)
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11 11 respm Brief - Opening Brief in Support Mon 09/22 4:41 PM
OPENING BRIEF in Support re10 MOTION to Dismiss with Prejudice filed by Poshmark, Inc..Answering Brief/Response due date per Local Rules is 10/6/2025. (Brauerman, Stephen)
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10 10 motion Miscellaneous Relief Mon 09/22 4:39 PM
MOTION to Dismiss with Prejudice - filed by Poshmark, Inc..(Brauerman, Stephen)
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Att: 1 Proposed Order
order SO ORDERED Mon 09/22 3:24 PM
SO ORDERED, re8 MOTION for Pro Hac Vice Appearance of Attorney Steven Callahan, Mitchell Sibley, and Christopher Bovenkamp filed by Poshmark, Inc. Signed by Judge Gregory B. Williams on 9/22/25. (jaa)
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utility Add Attorneys - PHV only Mon 09/22 3:56 PM
Pro Hac Vice Attorney Steven C. Callahan, Christopher T. Bovenkamp & Mitchell R. Sibley for Poshmark, Inc. added for electronic noticing. Pursuant to Local Rule 83.5 (d)., Delaware counsel shall be the registered users of CM/ECF and shall be required to file all papers. (slk)
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Friday, September 19, 2025
9 9 misc -District Court Pro Hac Vice Fee - 03 Attorneys Credit Card Payment Fri 09/19 12:25 PM
Pro Hac Vice Fee - Credit Card Payment received for Steven Callahan, Mitchell Sibley, and Christopher Bovenkamp. ( re8 MOTION for Pro Hac Vice Appearance of Attorney Steven Callahan, Mitchell Sibley, and Christopher Bovenkamp )( Payment of $ 150, receipt number ADEDC-4793462).(Brauerman, Stephen)
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8 8 motion Appear Pro Hac Vice Fri 09/19 12:20 PM
MOTION for Pro Hac Vice Appearance of Attorney Steven Callahan, Mitchell Sibley, and Christopher Bovenkamp - filed by Poshmark, Inc..(Brauerman, Stephen)
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Att: 1 Certification of Steven Callahan,
Att: 2 Certification of Mitchell Sibley,
Att: 3 Certification of Christopher Bovenkamp
Thursday, August 21, 2025
order SO ORDERED Thu 08/21 1:04 PM
SO ORDERED, re7 STIPULATION TO EXTEND TIME for Defendant to Answer, Move, or Otherwise Respond to the Complaint to September 22, 2025 filed by Poshmark, Inc. Signed by Judge Gregory B. Williams on 8/21/2025. (lnb)
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Wednesday, August 20, 2025
7 7 motion Stipulation to EXTEND Time Wed 08/20 9:51 AM
STIPULATION TO EXTEND TIME for Defendant to Answer, Move, or Otherwise Respond to the Complaint to September 22, 2025 - filed by Poshmark, Inc.. (Golden, Ronald)
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Wednesday, August 06, 2025
utility Case Assigned/Reassigned Wed 08/06 8:18 AM
Case Assigned to Judge Gregory B. Williams. Please include the initials of the Judge (GBW) after the case number on all documents filed. Associated Cases: 1:25-cv-00950-UNA, 1:25-cv-00955-UNA, 1:25-cv-00956-UNA, 1:25-cv-00957-UNA (alb)
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Monday, August 04, 2025
6 6 service Summons Returned Executed Mon 08/04 10:07 AM
SUMMONS Returned Executed by Querytron LLC.Poshmark, Inc. served on 8/1/2025, answer due 8/22/2025. (Garibian, Antranig)
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Thursday, July 31, 2025
5 5 service Summons Issued Thu 07/31 9:43 AM
Summons Issued as to Poshmark, Inc. on 7/31/2025. (jfm)
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Wednesday, July 30, 2025
4 4 misc Disclosure Statement - Rule 7.1 Thu 07/31 9:43 AM
Disclosure Statement pursuant to Rule 7.1: No Parents or Affiliates Listed - filed by Querytron LLC.(jfm)
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Att: 1 Certificate of Service
3 3 misc Patent/Trademark Report to Commissioner of Patents Thu 07/31 9:42 AM
Report to the Commissioner of Patents and Trademarks for Patent/Trademark Number(s) 10,534,820. (jfm)
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2 2 misc Magistrate Consent Forms Thu 07/31 9:41 AM
Notice, Consent and Referral forms re: U.S. Magistrate Judge jurisdiction. (jfm)
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1 1 5 pgs cmp Complaint Thu 07/31 9:40 AM
COMPLAINT for Patent Infringement with Jury Demand against Poshmark, Inc. (Filing fee $ 405, receipt number ADEDC-4747506) - filed by Querytron LLC.(jfm) (jfm).
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Att: 1 Exhibit 1,
Att: 2 Civil Cover Sheet
Att: 3 59 pgs (7/31/2025) Exhibit 2