Patents
US 12398198 B2: Parvovirus antibodies for veterinary use
- Granted
- 2025-08-26
- Filed
- 2020-07-30 application 17630685
- Type
- Utility · 28 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided are various embodiments relating to parvovirus antibodies, including caninized, felinized, and chimeric antibodies, that bind to canine and/or feline parvovirus, for example, having improved expression characteristics. In various embodiments, the parvovirus antibodies have ADCC, ADCP, and/or CDC effector functions. In various embodiments, such monoclonal parvovirus antibodies can be used in methods to prevent and/or treat parvoviral infection in subjects, such as dogs and cats. For example, the parvovirus antibodies provided may be used to provide passive immunity against infection with a canine or feline parvovirus.
Source: PVGPATDIS, file of 2026-04-10 (ipg250826.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Elanco US Inc. 52 patents | US company or organization | Greenfield, IN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Hangjun Zhan | Foster City, CA | 17 | PVGPATDIS, file of 2026-04-10 | |
| Lam Nguyen | Union City, CA | 30 | PVGPATDIS, file of 2026-04-10 | |
| Ellen Ratcliff | Burlingame, CA | 1 | PVGPATDIS, file of 2026-04-10 | |
| Richard Chin | San Francisco, CA | 8 | PVGPATDIS, file of 2026-04-10 | |
| Shyr Jiann Li | Millbrae, CA | 18 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C07K | Peptides | C07K16/081 | PVGPATDIS, file of 2026-04-10 |
| A61K | Preparations for medical, dental or toiletry purposes | A61K39/42 | PVGPATDIS, file of 2026-04-10 |
| A61P | Specific therapeutic activity of chemical compounds or medicinal preparations | A61P31/20 | PVGPATDIS, file of 2026-04-10 |
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 | CHIN, RICHARD signed 2022-08-27 ZHAN, HANGJUN signed 2022-08-27 LI, SHYR JIANN signed 2022-08-29 NGUYEN, LAM signed 2022-08-29 RATCLIFF, ELLEN signed 2022-09-30 | KINDRED BIOSCIENCES, INC. BURLINGAME, CA | 62782/275 | ECORSEXC, file of 2026-09-25 |
| 2022-08-22 | Assignment Assignment of assignor's interest | LI, SHYR JIANN signed 2020-07-02 NGUYEN, LAM signed 2020-07-02 RATCLIFF, ELLEN signed 2020-07-02 ZHAN, HANGJUN signed 2020-07-02 CHIN, RICHARD signed 2020-07-06 | KINDRED BIOSCIENCES, INC. BURLINGAME, CA | 60860/17 | ECORSEXC, file of 2026-09-25 |
| 2022-08-22 | Assignment Assignment of assignor's interest | LI, SHYR JIANN signed 2020-03-03 NGUYEN, LAM signed 2020-03-03 RATCLIFF, ELLEN signed 2020-03-03 ZHAN, HANGJUN signed 2020-03-03 CHIN, RICHARD signed 2020-03-07 | KINDRED BIOSCIENCES, INC. BURLINGAME, CA | 60859/970 | ECORSEXC, file of 2026-09-25 |
| 2022-08-22 | Assignment Assignment of assignor's interest | LI, SHYR JIANN signed 2019-11-11 NGUYEN, LAM signed 2019-11-11 RATCLIFF, ELLEN signed 2019-11-11 ZHAN, HANGJUN signed 2019-11-11 CHIN, RICHARD signed 2019-11-12 | KINDRED BIOSCIENCES, INC. BURLINGAME, CA | 60859/924 | ECORSEXC, file of 2026-09-25 |
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.