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 ListedDuane Morris LLP
Tel: +1 (857) 488-4232
Fax: +1 (857) 488-4201
100 High Street, Suite 2400
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 ListedSTAMOULIS & WEINBLATT LLC
Tel: +1 (302) 999-1540
STAMOULIS & WEINBLATT LLC, 800 N. West Street, Third Floor
KENT & RISLEY LLC
Tel: +1 (404) 585-4214
KENT & RISLEY LLC, 5755 N POINT PKWY SUITE 57
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