Wednesday, June 10, 2026

Patent intelligence · US

US 2011293661

VACCINE STRAINS OF BRACHYSPIRA HYODYSENTERIAE

granted A61K 39/ 02 A IA61K/390225A61P 37/ 00 A IA61P/100
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 5
Applicant portfolio 2
Patent details — US 2011293661
Jurisdiction
US
Status
granted
Grant date
Dec 1, 2011
Expiration
Nov 26, 2031
CPC classes
A61K 39/ 02 A I, A61K/390225, A61P 37/ 00 A I, A61P/100
View on Google Patents ↗

Quick answer

US 2011293661 (VACCINE STRAINS OF BRACHYSPIRA HYODYSENTERIAE) is held by HAMPSON DAVID J [AU]. Status: granted. Granted Dec 1, 2011. Expires Nov 26, 2031 (5 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
CPC classes
A61K 39/ 02 A I, A61K/390225, A61P 37/ 00 A I, A61P/100, A61P/112, A61P/3104

More from HAMPSON DAVID J [AU]

Related pharmaceutical patents in our USPTO index.

  1. AU 2007283667

    Genes and proteins of Brachyspira hyodysenteriae and uses thereof

    SPIROGENE PTY LTD [DE] · Expires Feb 9, 2028

    granted

Frequently asked questions

What is US patent 2011293661?

US 2011293661 (VACCINE STRAINS OF BRACHYSPIRA HYODYSENTERIAE) is held by HAMPSON DAVID J [AU]. Status: granted. Granted Dec 1, 2011. Expires Nov 26, 2031 (5 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 2011293661?

HAMPSON DAVID J [AU] is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 2 pharmaceutical patents for this assignee.

When does US 2011293661 expire?

Our index shows an expiration date of Nov 26, 2031 (5 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.