Wednesday, July 8, 2026

Patent intelligence · US

US 6269157

Bidding for telecommunications traffic with request for service

expired A61KA61K9/4816
Status expired
Linked drugs 3
Pipeline programs 6
Years to expiry 0
Applicant portfolio 20
Related coverage 2
Patent details — US 6269157

Quick answer

US 6269157 (Bidding for telecommunications traffic with request for service) is held by Summit Telecom Systems, Inc.. Status: expired. Granted Jul 31, 2001. Expires Jul 26, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
55
CPC classes
A61K, A61K9/4816

More from Summit Telecom Systems, Inc.

Related pharmaceutical patents in our USPTO index.

  1. US 12318487

    Solid tablet dosage form of ridinilazole

    SUMMIT (OXFORD) LIMITED · Expires May 29, 2045

    granted
  2. US 11344575

    Vascular calcification prevention and treatment

    Summit Innovation Labs LLC · Expires May 26, 2042

    granted
  3. US 11007171

    Treatment and prevention of joint disorders

    Summit Innovation Labs LLC · Expires May 13, 2041

    granted
  4. US 9763925

    Antibacterial compounds

    SUMMIT THERAPEUTICS PLC · Expires Sep 14, 2037

    granted
  5. US 9492433

    Pharmaceutical composition for the treatment of Duchenne muscular dystrophy

    Summit Corporation Plc · Expires Nov 10, 2036

    granted
  6. US 9314456

    Antibacterial compounds

    SUMMIT THERAPEUTICS PLC · Expires Apr 14, 2036

    granted
  7. US 9278091

    Compounds for the treatment of Clostridium difficile associated disease

    SUMMIT THERAPEUTICS PLC · Expires Mar 3, 2036

    granted
  8. US 8987308

    Compounds for the treatment of Clostridium difficile-associated disease

    Summit Corporation Plc · Expires Mar 19, 2035

    granted

Related coverage

Frequently asked questions

What is US patent 6269157?

US 6269157 (Bidding for telecommunications traffic with request for service) is held by Summit Telecom Systems, Inc.. Status: expired. Granted Jul 31, 2001. Expires Jul 26, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6269157?

Summit Telecom Systems, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 20 pharmaceutical patents for this assignee.

When does US 6269157 expire?

Our index shows an expiration date of Jul 26, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.