Wednesday, July 8, 2026

Patent intelligence · US

US 8952153

One pot process for preparing pemetrexed disodium

granted A61KA61K31/519A61PA61P35/00
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 9
Applicant portfolio 136
Patent details — US 8952153

Quick answer

US 8952153 (One pot process for preparing pemetrexed disodium) is held by Kocak Farma Ilac ve Kimya Sanayi A.S.. Status: granted. Granted Feb 10, 2015. Expires Feb 5, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
9
CPC classes
A61K, A61K31/519, A61P, A61P35/00, A61P43/00

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Frequently asked questions

What is US patent 8952153?

US 8952153 (One pot process for preparing pemetrexed disodium) is held by Kocak Farma Ilac ve Kimya Sanayi A.S.. Status: granted. Granted Feb 10, 2015. Expires Feb 5, 2035 (9 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8952153?

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 8952153 expire?

Our index shows an expiration date of Feb 5, 2035 (9 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.