Prosecution Insights
Last updated: October 25, 2026

Cue Biopharma Inc.

Technology area: Biotechnology & Pharmaceuticals

5 pending office actions • 5 art units • 5 examiners • 0 of 5 (0%) have an AI response strategy ready • 3 patents granted in the last 365 days

Analysis

Cue Biopharma Inc. has 6 pending office actions in Biotechnology & Pharmaceuticals. The matters are distributed across 6 examiners and 5 art units, indicating that prosecution spans multiple examination assignments rather than a single unit.

ESPINOSA, CLAUDIA EDILMA is the busiest listed examiner, with 1 pending matter. Counsel should track examiner-specific requirements across the portfolio and coordinate responses where related biotechnology issues appear in different art units.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Portfolio Summary

5
Total Pending OAs
4
Non-Final OAs
1
Final Rejections
0
Advisory / Quayle

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 1 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

1
Overdue
0
Due this week
0
Due this month
0
Due in next 60 days
0
Due later

Case Difficulty Mix

Difficulty is derived from the rejection statutes on the most recent pending office action. §101-driven and multi-statute cases are graded Hard; §112-only and obviousness-type double-patenting cases are graded Easy; everything else is Medium. "Unknown" means we have not yet parsed a statute for that office action.

2
Hard (40%)
3
Medium (60%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
Double-patenting + other3 (60%)
Multi-statute (no §101)2 (40%)

Industry Mix

How the docket's pending cases split across USPTO tech-center bands.

5
Life Sciences
100% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
0
Business / Other
0% of docket

Time-on-OA Estimate

Manual office-action response work runs about 10 hours per case. The time-saved bands below show what IP Author's prosecution pipeline typically delivers — a conservative 20% on the low end, 35% in the middle, 50% on the high end.

50 h
Manual time on pending OAs
10 h
Time saved (low, 20%)
18 h
Time saved (mid, 35%)
0.4 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
ESPINOSA, CLAUDIA EDILMA 1 50.9% +56.1%
ZOU, NIANXIANG 1 64.0% +25.0%
STOICA, ELLY GERALD 1 66.8% +22.6%
AEDER, SEAN E 1 56.9% +20.0%
QIAN, CELINE X 1 47.5% +17.2%

Hard Cases (2)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18005813 T-Cell Modulatory Polypeptides with Conjugation Sites and Methods of Use Thereof QIAN, CELINE X 18d overdue
18903947 T-CELL MODULATORY POLYPEPTIDES AND METHODS OF USE THEREOF ESPINOSA, CLAUDIA EDILMA —

Interview Candidates (5)

Cases in front of an examiner whose interview lift is 10 percentage points or more — i.e. interviewed cases historically resolve more favorably than non-interviewed ones. The top 5 ordered by deadline are shown.

App #TitleExaminerDue in
18005813 T-Cell Modulatory Polypeptides with Conjugation Sites and Methods of Use Thereof QIAN, CELINE X 18d overdue
18903947 T-CELL MODULATORY POLYPEPTIDES AND METHODS OF USE THEREOF ESPINOSA, CLAUDIA EDILMA —
18653683 MULTIMERIC T-CELL MODULATORY POLYPEPTIDES AND METHODS OF USE THEREOF ZOU, NIANXIANG —
18287747 Antigen Presenting Polypeptide Complexes Bearing TGF-Beta and Methods of Use Thereof STOICA, ELLY GERALD —
18287739 Antigen-Presenting Polypeptides with Chemical Conjugation Sites and Methods of Use Thereof AEDER, SEAN E —

Top Art Units

Art UnitApps
1654 1
1671 1
1647 1
1642 1
1637 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18903947 T-CELL MODULATORY POLYPEPTIDES AND METHODS OF USE THEREOF ESPINOSA, CLAUDIA EDILMA 1654 §103§112Other Non-Final OA — Pending Oct 01, 2024
18653683 MULTIMERIC T-CELL MODULATORY POLYPEPTIDES AND METHODS OF USE THEREOF ZOU, NIANXIANG 1671 §103§112DP Non-Final OA — Pending May 02, 2024
18287747 Antigen Presenting Polypeptide Complexes Bearing TGF-Beta and Methods of Use Thereof STOICA, ELLY GERALD 1647 §112DP Non-Final OA — Pending Oct 20, 2023
18287739 Antigen-Presenting Polypeptides with Chemical Conjugation Sites and Methods of Use Thereof AEDER, SEAN E 1642 §112DP Non-Final OA — Pending Oct 20, 2023
18005813 T-Cell Modulatory Polypeptides with Conjugation Sites and Methods of Use Thereof QIAN, CELINE X 1637 §102§103§112Other Final Rejection 18d overdue Pending Jan 17, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Cue Biopharma Inc. have?

Cue Biopharma Inc. has 5 pending office actions as of October 2026, spread across 5 art units and 5 examiners.

Which USPTO examiner handles the most Cue Biopharma Inc. applications?

Claudia Edilma Espinosa has the most, with 1 of Cue Biopharma Inc.'s pending office actions.

What technology area are Cue Biopharma Inc.'s patent applications in?

Mostly Biotechnology & Pharmaceuticals (USPTO Tech Center 1600), based on where its pending office actions are examined.

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