Wednesday, July 8, 2026

Patent intelligence · US

US 9296681

Cycloalkylmethylamines

granted A61PA61P25/24A61P3/04
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 10
Applicant portfolio 28
Patent details — US 9296681

Quick answer

US 9296681 (Cycloalkylmethylamines) is held by REVIVA PHARMACEUTICALS, INC.. Status: granted. Granted Mar 29, 2016. Expires Mar 24, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
17
CPC classes
A61P, A61P25/24, A61P3/04

More from REVIVA PHARMACEUTICALS, INC.

Related pharmaceutical patents in our USPTO index.

  1. US 12053477

    Methods for treating pulmonary fibrosis

    REVIVA PHARMACEUTICALS, INC. · Expires Aug 1, 2044

    granted
  2. US 10441590

    Methods for treating pulmonary hypertension

    REVIVA PHARMACEUTICALS, INC. · Expires Oct 10, 2039

    granted
  3. US 10035761

    Compositions, synthesis, and methods of using phenylcycloalkylmethylamine derivatives

    REVIVA PHARMACEUTICALS, INC. · Expires Jul 26, 2038

    granted
  4. US 9975862

    Arylpiperazine derivatives and methods of utilizing same

    REVIVA PHARMACEUTICALS, INC. · Expires May 17, 2038

    granted
  5. US 9907803

    Methods for treating attention deficit hyperactivity disorder

    REVIVA PHARMACEUTICALS, INC. · Expires Mar 1, 2038

    granted
  6. US 9695116

    Compositions, synthesis, and methods of using phenylcycloalkylmethylamine derivatives

    REVIVA PHARMACEUTICALS, INC. · Expires Jun 29, 2037

    granted
  7. US 9604944

    Arylpiperazine derivatives and methods of utilizing same

    REVIVA PHARMACEUTICALS, INC. · Expires Mar 23, 2037

    granted
  8. US 9302981

    Synthesis, methods of using, and compositions of cycloalkylmethylamines

    REVIVA PHARMACEUTICALS, INC. · Expires Mar 31, 2036

    granted

Frequently asked questions

What is US patent 9296681?

US 9296681 (Cycloalkylmethylamines) is held by REVIVA PHARMACEUTICALS, INC.. Status: granted. Granted Mar 29, 2016. Expires Mar 24, 2036 (10 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9296681?

REVIVA PHARMACEUTICALS, INC. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 28 pharmaceutical patents for this assignee.

When does US 9296681 expire?

Our index shows an expiration date of Mar 24, 2036 (10 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.