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Prosperina Ventures LLC v. Keystone Technologies LLC

2:26-cv-00252

Overview

Case Number 2:26-cv-00252
Filing Date 2026-01-14
Status Terminated
Termination Date 2026-06-26
Court District Court, E.D. Pennsylvania (paed)
Presiding Judge JOSHUA D. WOLSON
Nature of Suit 830 Property Rights: Patent
Jurisdiction Type Federal Question
Cause of Action 35:271 Patent Infringement
Jury Demand Both

Parties

Defendant

KEYSTONE TECHNOLOGIES, LLC

Represented By

4 Attorneys Listed

Seth S. Coburn

Duane Morris-MA

Tel: +1 (857) 488-4200

Duane Morris-MA, Suite 2400

Richard Hughes

Duane Morris LLP

Tel: +1 (570) 574-7451

30 S 17th St, Philadelphia, PA 19103

TIMOTHY R. SHANNON

Duane Morris LLP

Tel: +1 (857) 488-4232
Fax: +1 (857) 488-4201

100 High Street, Suite 2400

Joseph M Cox

Duane Morris LLP

Tel: +1 (214) 257-7252
Fax: +1 (214) 853-9480

200 Crescent Court, Suite 900

Plaintiff

Prosperina Ventures LLC

Represented By

5 Attorneys Listed

Samuel J. Najim

Kent & Risley LLC

Tel: +1 (404) 855-3866

Kent & Risley LLC, 5755 N. Point Pkwy

RICHARD C. WEINBLATT

STAMOULIS & WEINBLATT LLC

Tel: +1 (302) 999-1540

STAMOULIS & WEINBLATT LLC, 800 N. West Street, Third Floor

OLIVIA E. MARBUTT

Kent & Risley LLC

Tel: +1 (404) 855-3865

Kent & Risley LLC, 5755 N. Point Pkwy

DANIEL A. KENT

KENT & RISLEY LLC

Tel: +1 (404) 585-4214

KENT & RISLEY LLC, 5755 N POINT PKWY SUITE 57

Robert David Katz

Katz PLLC

Tel: +1 (214) 865-8000
Fax: +1 (888) 231-5775

8350 N. Central Expressway, Suite 1900

Court & Judges

Court

District Court, E.D. Pennsylvania (paed)

Presiding Judge

JOSHUA D. WOLSON

Docket Entries

COMPLAINT WITH JURY DEMAND against Keystone Technologies LLC filed by Prosperina Ventures LLC. (Filing fee $405; Receipt number ATXNDC-15935490) Clerk to issue summons(es). In each Notice of Electronic Filing, the judge assignment is indicated, and a link to the Judges Copy Requirements and Judge Specific Requirements is provided. The court reminds the filer that any required copy of this and future documents must be delivered to the judge, in the manner prescribed, within three business days of filing. Unless exempted, attorneys who are not admitted to practice in the Northern District of Texas must seek admission promptly. Forms, instructions, and exemption information may be found at www.txnd.uscourts.gov, or by clicking here: Attorney Information - Bar Membership. If admission requirements are not satisfied within 21 days, the clerk will notify the presiding judge. (Attachments: # 1 Exhibit(s) 1 - U.S. Patent No. 9,222,659, # 2 Exhibit(s) 2 - U.S. Patent No. 9,310,030, # 3 Exhibit(s) 3 - U.S. Patent No. 9,435,528, # 4 Exhibit(s) 4 - U.S. Patent No. 9,470,882, # 5 Exhibit(s) 5 - U.S. Patent No. 9,651,239, # 6 Exhibit(s) 6 - U.S. Patent No. 10,107,487, # 7 Exhibit(s) 7 - Exemplary claim chart - '659, # 8 Exhibit(s) 8 - Exemplary claim chart - '030, # 9 Exhibit(s) 9 - Exemplary claim chart - '528, # 10 Exhibit(s) 10 - Exemplary claim chart - '882, # 11 Exhibit(s) 11 - Exemplary claim chart - '239, # 12 Exhibit(s) 12 - Exemplary claim chart - '487, # 13 Exhibit(s) 13 - Business personal property account, # 14 Exhibit(s) 14 - BPPA history, # 15 Cover Sheet) (Katz, Robert) [Transferred from Texas Northern on 1/15/2026.] (Entered: 10/23/2025)

2025-10-23
1

COMPLAINT WITH JURY DEMAND against Keystone Technologies LLC filed by Prosperina Ventures LLC. (Filing fee $405; Receipt number ATXNDC-15935490) Clerk to issue summons(es). In each Notice of Electronic Filing, the judge assignment is indicated, and a link to the Judges Copy Requirements and Judge Specific Requirements is provided. The court reminds the filer that any required copy of this and future documents must be delivered to the judge, in the manner prescribed, within three business days of filing. Unless exempted, attorneys who are not admitted to practice in the Northern District of Texas must seek admission promptly. Forms, instructions, and exemption information may be found at www.txnd.uscourts.gov, or by clicking here: Attorney Information - Bar Membership. If admission requirements are not satisfied within 21 days, the clerk will notify the presiding judge. (Attachments: # 1 Exhibit(s) 1 - U.S. Patent No. 9,222,659, # 2 Exhibit(s) 2 - U.S. Patent No. 9,310,030, # 3 Exhibit(s) 3 - U.S. Patent No. 9,435,528, # 4 Exhibit(s) 4 - U.S. Patent No. 9,470,882, # 5 Exhibit(s) 5 - U.S. Patent No. 9,651,239, # 6 Exhibit(s) 6 - U.S. Patent No. 10,107,487, # 7 Exhibit(s) 7 - Exemplary claim chart - '659, # 8 Exhibit(s) 8 - Exemplary claim chart - '030, # 9 Exhibit(s) 9 - Exemplary claim chart - '528, # 10 Exhibit(s) 10 - Exemplary claim chart - '882, # 11 Exhibit(s) 11 - Exemplary claim chart - '239, # 12 Exhibit(s) 12 - Exemplary claim chart - '487, # 13 Exhibit(s) 13 - Business personal property account, # 14 Exhibit(s) 14 - BPPA history, # 15 Cover Sheet) (Katz, Robert) [Transferred from Texas Northern on 1/15/2026.] (Entered: 10/23/2025)

2025-10-23
2

COMPLAINT WITH JURY DEMAND against Keystone Technologies LLC filed by Prosperina Ventures LLC. (Filing fee $405; Receipt number ATXNDC-15935490) Clerk to issue summons(es). In each Notice of Electronic Filing, the judge assignment is indicated, and a link to the Judges Copy Requirements and Judge Specific Requirements is provided. The court reminds the filer that any required copy of this and future documents must be delivered to the judge, in the manner prescribed, within three business days of filing. Unless exempted, attorneys who are not admitted to practice in the Northern District of Texas must seek admission promptly. Forms, instructions, and exemption information may be found at www.txnd.uscourts.gov, or by clicking here: Attorney Information - Bar Membership. If admission requirements are not satisfied within 21 days, the clerk will notify the presiding judge. (Attachments: # 1 Exhibit(s) 1 - U.S. Patent No. 9,222,659, # 2 Exhibit(s) 2 - U.S. Patent No. 9,310,030, # 3 Exhibit(s) 3 - U.S. Patent No. 9,435,528, # 4 Exhibit(s) 4 - U.S. Patent No. 9,470,882, # 5 Exhibit(s) 5 - U.S. Patent No. 9,651,239, # 6 Exhibit(s) 6 - U.S. Patent No. 10,107,487, # 7 Exhibit(s) 7 - Exemplary claim chart - '659, # 8 Exhibit(s) 8 - Exemplary claim chart - '030, # 9 Exhibit(s) 9 - Exemplary claim chart - '528, # 10 Exhibit(s) 10 - Exemplary claim chart - '882, # 11 Exhibit(s) 11 - Exemplary claim chart - '239, # 12 Exhibit(s) 12 - Exemplary claim chart - '487, # 13 Exhibit(s) 13 - Business personal property account, # 14 Exhibit(s) 14 - BPPA history, # 15 Cover Sheet) (Katz, Robert) [Transferred from Texas Northern on 1/15/2026.] (Entered: 10/23/2025)

2025-10-23
2

COMPLAINT WITH JURY DEMAND against Keystone Technologies LLC filed by Prosperina Ventures LLC. (Filing fee $405; Receipt number ATXNDC-15935490) Clerk to issue summons(es). In each Notice of Electronic Filing, the judge assignment is indicated, and a link to the Judges Copy Requirements and Judge Specific Requirements is provided. The court reminds the filer that any required copy of this and future documents must be delivered to the judge, in the manner prescribed, within three business days of filing. Unless exempted, attorneys who are not admitted to practice in the Northern District of Texas must seek admission promptly. Forms, instructions, and exemption information may be found at www.txnd.uscourts.gov, or by clicking here: Attorney Information - Bar Membership. If admission requirements are not satisfied within 21 days, the clerk will notify the presiding judge. (Attachments: # 1 Exhibit(s) 1 - U.S. Patent No. 9,222,659, # 2 Exhibit(s) 2 - U.S. Patent No. 9,310,030, # 3 Exhibit(s) 3 - U.S. Patent No. 9,435,528, # 4 Exhibit(s) 4 - U.S. Patent No. 9,470,882, # 5 Exhibit(s) 5 - U.S. Patent No. 9,651,239, # 6 Exhibit(s) 6 - U.S. Patent No. 10,107,487, # 7 Exhibit(s) 7 - Exemplary claim chart - '659, # 8 Exhibit(s) 8 - Exemplary claim chart - '030, # 9 Exhibit(s) 9 - Exemplary claim chart - '528, # 10 Exhibit(s) 10 - Exemplary claim chart - '882, # 11 Exhibit(s) 11 - Exemplary claim chart - '239, # 12 Exhibit(s) 12 - Exemplary claim chart - '487, # 13 Exhibit(s) 13 - Business personal property account, # 14 Exhibit(s) 14 - BPPA history, # 15 Cover Sheet) (Katz, Robert) [Transferred from Texas Northern on 1/15/2026.] (Entered: 10/23/2025)

2025-10-23
2

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