Upstream Bio, Inc. (UPB)
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 20263 patents granted to the 2 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Upstream Bio, Inc.’s names, not what it holds today.
1 published
2 published
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Oct 21, 2025 | 12,447,210 | Pharmaceutical composition comprising anti-human TSLP receptor antibody | Pharmaceuticals | Upstream Bio, Inc. |
| Nov 26, 2024 | 12,150,991 | Pharmaceutical compositions comprising anti-human TSLP receptor antibodies and methods of using the same | Pharmaceuticals | Upstream Bio, Inc. |
| Aug 1, 2023 | 11,712,472 | Pharmaceutical composition comprising anti-human TSLP receptor antibody | Pharmaceuticals | Upstream Bio, Inc. |
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Feb 27, 2025 | 2025/0064929 | PHARMACEUTICAL COMPOSITIONS COMPRISING ANTI-HUMAN TSLP RECEPTOR ANTIBODIES AND METHODS OF USING THE SAME | Pharmaceuticals | UPSTREAM BIO, INC. |
| May 30, 2024 | 2024/0173405 | PHARMACEUTICAL COMPOSITIONS COMPRISING ANTI-HUMAN TSLP RECEPTOR ANTIBODIES AND METHODS OF USING THE SAME | Pharmaceuticals | UPSTREAM BIO, INC. · patent 12,150,991 granted from it |
| Dec 14, 2023 | 2023/0398213 | PHARMACEUTICAL COMPOSITION COMPRISING ANTI-HUMAN TSLP RECEPTOR ANTIBODY | Pharmaceuticals | Upstream Bio, Inc. · patent 12,447,210 granted from it |
A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.