Wednesday, July 8, 2026

pharma · Advanced Solid Tumor · XLO

Xilio Therapeutics

Xilio Therapeutics patent portfolio — 7 USPTO pharmaceutical patents (A61K/A61P) with grant dates, status, and loss-of-exclusivity filters.

Waltham, USA HQ
2016 Founded
89 Employees
Public company Type
XLO · NYSE Ticker
Company details
Status
Public
HQ
Waltham, USA
Founded
2016
Employees
89
Programs
3
Drugs
0
Patents
7
Intelligence · Patents

Xilio Therapeutics patents

7 pharmaceutical patents indexed for Xilio Therapeutics. 0 expire within 24 months.

Xilio Therapeutics has 7 pharmaceutical patents in our USPTO PatentsView index (A61K/A61P). 0 expire within 24 months — use filters for patent-cliff planning.

Patent portfolio

  1. US 12384845

    Activatable masked anti-CTLA4 binding proteins

    Expires Mon Aug 07 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. US 12280120

    Tumor-specific cleavable linkers

    Expires Mon Apr 17 2045 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. US 11866476

    Masked IL-2-Fc fusion polypeptides

    Expires Mon Jan 04 2044 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  4. US 11827686

    Masked cytokine polypeptides

    Expires Mon Nov 23 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  5. US 11827685

    Masked cytokine polypeptides

    Expires Mon Nov 23 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  6. US 11718655

    Masked interleukin-12 polypeptides

    Expires Mon Aug 03 2043 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  7. US 11053294

    Masked cytokine polypeptides

    Expires Mon Jul 01 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

How many patents does Xilio Therapeutics have?

7 published patents match the current filter (all indexed). The full portfolio is indexed from USPTO PatentsView (A61K/A61P).

When do Xilio Therapeutics patents expire?

0 patents in the full portfolio expire within 24 months. Use the expiring filters above or open individual patent pages for grant and expiration dates.