Prosecution Insights
Last updated: August 18, 2026

C4 Therapeutics Inc.

6 pending office actions • 3 art units • 6 examiners • 0 of 6 (0%) have an AI response strategy ready • 11 patents granted in the last 365 days

Portfolio Summary

6
Total Pending OAs
4
Non-Final OAs
2
Final Rejections
0
Advisory / Quayle

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.

1
Hard (17%)
2
Medium (33%)
3
Easy (50%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only2 (33%)
§112 only1 (17%)
Double-patenting only2 (33%)
Multi-statute (no §101)1 (17%)

Industry Mix

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

4
Life Sciences
67% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
2
Business / Other
33% 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.

60 h
Manual time on pending OAs
12 h
Time saved (low, 20%)
21 h
Time saved (mid, 35%)
0.5 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
HEITMEIER, KENDALL NICOLE 1 63.9% +41.7%
SHIAO, REI TSANG 1 79.8% -33.7%
HASTINGS, ALISON AZAR 1 63.3% +40.3%
AULAKH, CHARANJIT 1 80.8% -15.2%
BAUER, NICOLA MARIA 1 57.4% +48.1%
ENGLISH, CONNOR KENNEDY 1 55.8% +54.3%

Quick Wins (1)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18534395 THERAPEUTICS FOR THE DEGRADATION OF MUTANT BRAF AULAKH, CHARANJIT

Hard Cases (1)

Multi-statute / §101-driven matters, or cases in front of an examiner with an allow rate under 30%. The top 1 ordered by deadline are shown.

App #TitleExaminerDue in
18134971 TRICYCLIC HETEROBIFUNCTIONAL COMPOUNDS FOR DEGRADATION OF TARGETED PROTEINS BAUER, NICOLA MARIA

Interview Candidates (4)

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 4 ordered by deadline are shown.

App #TitleExaminerDue in
18797261 MORPHIC FORMS OF CFT7455 AND METHODS OF MANUFACTURE THEREOF HEITMEIER, KENDALL NICOLE
18576933 COMPOUNDS FOR TARGETING DEGRADATION OF IRAK4 PROTEINS HASTINGS, ALISON AZAR
18134971 TRICYCLIC HETEROBIFUNCTIONAL COMPOUNDS FOR DEGRADATION OF TARGETED PROTEINS BAUER, NICOLA MARIA
17771204 BIFUNCTIONAL COMPOUNDS FOR THE TREATMENT OF CANCER ENGLISH, CONNOR KENNEDY

Top Art Units

Art UnitApps
1621 2
1627 1
1625 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18797261 MORPHIC FORMS OF CFT7455 AND METHODS OF MANUFACTURE THEREOF HEITMEIER, KENDALL NICOLE §112 Non-Final OA Pending Aug 07, 2024
18774801 SPIROCYCLIC DEGRONIMERS FOR TARGET PROTEIN DEGRADATION SHIAO, REI TSANG DP Non-Final OA Pending Jul 16, 2024
18576933 COMPOUNDS FOR TARGETING DEGRADATION OF IRAK4 PROTEINS HASTINGS, ALISON AZAR 1627 §103 Final Rejection Pending Jan 05, 2024
18534395 THERAPEUTICS FOR THE DEGRADATION OF MUTANT BRAF AULAKH, CHARANJIT 1621 DP Non-Final OA Pending Dec 08, 2023
18134971 TRICYCLIC HETEROBIFUNCTIONAL COMPOUNDS FOR DEGRADATION OF TARGETED PROTEINS BAUER, NICOLA MARIA 1621 §103§112 Non-Final OA Pending Apr 14, 2023
17771204 BIFUNCTIONAL COMPOUNDS FOR THE TREATMENT OF CANCER ENGLISH, CONNOR KENNEDY 1625 §103 Final Rejection Pending Apr 22, 2022

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