Prosecution Insights
Last updated: October 25, 2026

Cyclerion Therapeutics Inc.

Technology area: Biotechnology & Pharmaceuticals

2 pending office actions • 2 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready • 1 patents granted in the last 365 days

Analysis

Cyclerion Therapeutics Inc. has 2 pending office actions in Biotechnology & Pharmaceuticals. Each matter is assigned to a different examiner and art unit, creating two distinct prosecution paths.

BRAM, STANLEY is the busiest examiner, with 1 pending matter. Because the assignment covers only part of the workload, counsel should track the other matter independently while maintaining consistency across the pharmaceutical portfolio.

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

Portfolio Summary

2
Total Pending OAs
2
Non-Final OAs
0
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.

0
Hard (0%)
1
Medium (50%)
1
Easy (50%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (50%)
§112 only1 (50%)

Industry Mix

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

2
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.

20 h
Manual time on pending OAs
4 h
Time saved (low, 20%)
7 h
Time saved (mid, 35%)
0.2 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
BRAM, STANLEY 1 0.0% +0.0%
YOO, SUN JAE 1 71.2% +0.3%

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
18947131 PHOSPHORUS PRODRUGS OF PYRAZOLO-SUBSTITUTED PYRIMIDINE sGC STIMULATORS BRAM, STANLEY —

Top Art Units

Art UnitApps
1691 1
1621 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18947131 PHOSPHORUS PRODRUGS OF PYRAZOLO-SUBSTITUTED PYRIMIDINE sGC STIMULATORS BRAM, STANLEY 1691 §112Other Non-Final OA — Pending Nov 14, 2024
18292747 TREATMENT OF HFPEF IN POST-MENOPAUSAL WOMEN WITH AN SGC STIMULATOR YOO, SUN JAE 1621 §103 Non-Final OA — Pending Jan 26, 2024

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Frequently Asked Questions

How many pending USPTO office actions does Cyclerion Therapeutics Inc. have?

Cyclerion Therapeutics Inc. has 2 pending office actions as of October 2026, spread across 2 art units and 2 examiners.

Which USPTO examiner handles the most Cyclerion Therapeutics Inc. applications?

Stanley Bram has the most, with 1 of Cyclerion Therapeutics Inc.'s pending office actions.

What technology area are Cyclerion Therapeutics 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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