Wednesday, July 8, 2026

Patent intelligence · US

US 8680319

Method for producing antifolate agents having glutamic acid part in their structure

granted A61PA61P35/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 8
Applicant portfolio 136
Patent details — US 8680319

Quick answer

US 8680319 (Method for producing antifolate agents having glutamic acid part in their structure) is held by Kocak Farma Ilac ve Kimya Sanayi A.S.. Status: granted. Granted Mar 25, 2014. Expires Mar 20, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61P, A61P35/00

More from Kocak Farma Ilac ve Kimya Sanayi A.S.

Related pharmaceutical patents in our USPTO index.

  1. US 12427199

    Self-assembled diblock copolymers composed of pegmema and drug bearing polymeric segments

    RS ARASTIRMA EGITIM DANISMANLIK ILAC SANAYI TICARET ANONIM SIRKETI · Expires Sep 25, 2045

    granted
  2. US 12409213

    Live attenuated oral vaccine against shigellosis and typhoid fever

    Sanaria Inc. · Expires Sep 4, 2045

    granted
  3. US 12246059

    Stable hybrid FC fusion G-CSF formulation

    ILKOGEN ILAÇ SANAYI VE TICARET A.S. · Expires Mar 6, 2045

    granted
  4. US 12171822

    Infectious plasmodium sporozoites grown in vitro

    Sanaria Inc. · Expires Dec 19, 2044

    granted
  5. US 12156870

    Antibody drug conjugates comprising sting agonists

    Mersana Therapeutics, Inc. · Expires Nov 28, 2044

    granted
  6. US 12129288

    Polynucleotides heterodimers of soluble interferon receptors and uses thereof

    Sanabio, LLC · Expires Oct 24, 2044

    granted
  7. US 12077543

    P2X3 and/or P2X2/3 compounds and methods

    Asana BioSciences, LLC · Expires Aug 29, 2044

    granted
  8. US 11987628

    Methods and compositions for modulating CAR-T activity

    Sana Biotechnology, Inc. · Expires May 16, 2044

    granted

Frequently asked questions

What is US patent 8680319?

US 8680319 (Method for producing antifolate agents having glutamic acid part in their structure) is held by Kocak Farma Ilac ve Kimya Sanayi A.S.. Status: granted. Granted Mar 25, 2014. Expires Mar 20, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8680319?

Kocak Farma Ilac ve Kimya Sanayi A.S. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 136 pharmaceutical patents for this assignee.

When does US 8680319 expire?

Our index shows an expiration date of Mar 20, 2034 (8 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.