Patents
US 12668626 B2: Anti-IL31 antibodies for veterinary use
- Granted
- 2026-06-30
- Filed
- 2020-08-28 application 17638372
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided are various embodiments relating to anti-IL31 antibodies having enhanced binding to canine IL31 and feline IL31. Such antibodies can be used in methods to treat IL31-induced conditions in companion animals, such as canines and felines. Antibodies with enhanced binding to canine IL31 and feline IL31 are provided. Antibody heavy chains and light chains that are capable of forming antibodies that bind canine and feline IL31 are also provided.
Source: PTBLXML, file of 2026-06-30 (ipgb20260630.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Elanco US Inc. 52 patents | US company or organization | Greenfield, IN | PTBLXML, file of 2026-06-30 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Shyr Jiann Li | Millbrae, CA | 18 | PTBLXML, file of 2026-06-30 | |
| Lam Nguyen | Union City, CA | 30 | PTBLXML, file of 2026-06-30 | |
| Hangjun Zhan | Foster City, CA | 17 | PTBLXML, file of 2026-06-30 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C07K | Peptides | C07K16/244 | PTBLXML, file of 2026-06-30 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2023-10-02 | Merger Merger and change of name | KINDRED BIOSCIENCES, INC. signed 2022-03-24 ELANCO US INC. signed 2022-03-24 | ELANCO US INC. GREENFIELD, IN | 65091/55 | PASDL, file of 2026-10-15 |
| 2023-02-23 | Assignment Assignment of assignor's interest | LI, SHYR JIANN signed 2022-06-10 NGUYEN, LAM signed 2022-03-24 ZHAN, HANGJUN signed 2022-03-15 | KINDRED BIOSCIENCES, INC. BURLINGAME, CA | 62782/387 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.