Wednesday, June 10, 2026

Patent intelligence · PT

PT 2481410

NITROCATECHOL DERIVATES AS COMT INHIBITORS ADMINISTERED WITH A SPECIFIC DOSAGE REGIME

granted A61K 31/ 4439 A IA61K/31198A61K/314427A61K/314439
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 10
Applicant portfolio 21
Patent details — PT 2481410
Jurisdiction
PT
Status
granted
Grant date
Oct 18, 2016
Expiration
Oct 13, 2036
CPC classes
A61K 31/ 4439 A I, A61K/31198, A61K/314427, A61K/314439
View on Google Patents ↗

Quick answer

PT 2481410 (NITROCATECHOL DERIVATES AS COMT INHIBITORS ADMINISTERED WITH A SPECIFIC DOSAGE REGIME) is held by BIAL-PORTELA & Cª S A [PT]. Status: granted. Granted Oct 18, 2016. Expires Oct 13, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 31/ 4439 A I, A61K/31198, A61K/314427, A61K/314439, A61K/4506, A61K/920

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Frequently asked questions

What is US patent 2481410?

PT 2481410 (NITROCATECHOL DERIVATES AS COMT INHIBITORS ADMINISTERED WITH A SPECIFIC DOSAGE REGIME) is held by BIAL-PORTELA & Cª S A [PT]. Status: granted. Granted Oct 18, 2016. Expires Oct 13, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns PT 2481410?

BIAL-PORTELA & Cª S A [PT] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 21 pharmaceutical patents for this assignee.

When does PT 2481410 expire?

Our index shows an expiration date of Oct 13, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.