Wednesday, July 8, 2026

Patent intelligence · US

US 7999007

Buffer solutions having selective bactericidal activity against gram negative bacteria and methods of using same

granted A61KA61K31/5575A61K47/02A61K47/18
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 5
Applicant portfolio 3,720
Related coverage 2
Patent details — US 7999007

Quick answer

US 7999007 (Buffer solutions having selective bactericidal activity against gram negative bacteria and methods of using same) is held by United Therapeutics Corporation. Status: granted. Granted Aug 16, 2011. Expires Aug 11, 2031 (5 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
26
CPC classes
A61K, A61K31/5575, A61K47/02, A61K47/18, A61K47/183, A61K9/0019

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Frequently asked questions

What is US patent 7999007?

US 7999007 (Buffer solutions having selective bactericidal activity against gram negative bacteria and methods of using same) is held by United Therapeutics Corporation. Status: granted. Granted Aug 16, 2011. Expires Aug 11, 2031 (5 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7999007?

United Therapeutics Corporation is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 3,720 pharmaceutical patents for this assignee.

When does US 7999007 expire?

Our index shows an expiration date of Aug 11, 2031 (5 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.