Prosecution Insights
Last updated: October 02, 2026

Tropic Biosciences UK Limited

Technology area: Biotechnology & Pharmaceuticals

6 pending office actions • 4 art units • 5 examiners • 0 of 6 (0%) have an AI response strategy ready

Analysis

Tropic Biosciences UK Limited has 6 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are distributed among 5 distinct examiners across 4 distinct art units, indicating a diverse range of technical review within the company's life sciences portfolio. The involvement of 4 distinct art units suggests that the company's biotechnology innovations span several specialized sub-disciplines. This requires the company to maintain a prosecution strategy that is consistent yet flexible enough to meet the specific demands of 4 different technical groups. Managing 6 separate actions across 5 examiners allows for a variety of perspectives on the company's intellectual property.

SULLIVAN, BRIAN JAMES is the busiest examiner for the portfolio, currently overseeing 2 pending office actions. These 2 actions represent 2 of the 6 total pending actions for the company, while the remaining actions are handled by the other 4 distinct examiners. Having 2 actions with a single examiner allows the company to potentially identify patterns in that examiner's feedback, which could inform the strategy for those specific cases. However, with 5 distinct examiners in total, the overall success of the 6 pending actions remains dependent on a variety of individual examiner perspectives across the 4 art units.

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

Portfolio Summary

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

Response Deadline Pressure

Based on the USPTO statutory response window for each pending office action. 2 of the docket's apps have a known mailing date; the rest are excluded from the tile counts.

2
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.

1
Hard (17%)
5
Medium (83%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (17%)
§103 only3 (50%)
Double-patenting + other2 (33%)

Industry Mix

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

6
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.

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
SULLIVAN, BRIAN JAMES 2 76.9% +14.4%
PAGE, BRENT T 1 82.4% +10.8%
DEVEAU ROSEN, JASON 1 80.1% +16.5%
YU, DAVID TUYANG 1 100.0% +0.0%
VYAS, KEYUR ANILKUMAR 1 49.4% +60.8%

Quick Wins (2)

Cases in front of an examiner with an allow rate of 80%+ where the difficulty is Easy or Medium. The top 2 ordered by deadline are shown.

App #TitleExaminerDue in
18720593 MODIFIED AGROBACTERIA FOR EDITING PLANTS DEVEAU ROSEN, JASON 66d overdue
18281163 METHOD FOR SILENCING GENES YU, DAVID TUYANG —

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
19210663 MODIFYING THE SPECIFICITY OF PLANT NON-CODING RNA MOLECULES FOR SILENCING GENE EXPRESSION PAGE, BRENT T —

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
18149627 COMPOSITIONS AND METHODS FOR INCREASING SHELF-LIFE OF BANANA SULLIVAN, BRIAN JAMES 89d overdue
18720593 MODIFIED AGROBACTERIA FOR EDITING PLANTS DEVEAU ROSEN, JASON 66d overdue
19210663 MODIFYING THE SPECIFICITY OF PLANT NON-CODING RNA MOLECULES FOR SILENCING GENE EXPRESSION PAGE, BRENT T —
17439158 INTRODUCING SILENCING ACTIVITY TO DYSFUNCTIONAL RNA MOLECULES AND MODIFYING THEIR SPECIFICITY AGAINST A GENE OF INTEREST SULLIVAN, BRIAN JAMES —
16648779 MODIFYING THE SPECIFICITY OF NON-CODING RNA MOLECULES FOR SILENCING GENE EXPRESSION IN EUKARYOTIC CELLS VYAS, KEYUR ANILKUMAR —

Top Art Units

Art UnitApps
1663 3
1662 1
1635 1
1637 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19210663 MODIFYING THE SPECIFICITY OF PLANT NON-CODING RNA MOLECULES FOR SILENCING GENE EXPRESSION PAGE, BRENT T 1663 §101§102DP Non-Final OA — Pending May 16, 2025
18720593 MODIFIED AGROBACTERIA FOR EDITING PLANTS DEVEAU ROSEN, JASON 1662 §103 Final Rejection 66d overdue Pending Jun 14, 2024
18281163 METHOD FOR SILENCING GENES YU, DAVID TUYANG 1635 §103§112DP Non-Final OA — Pending Sep 08, 2023
18149627 COMPOSITIONS AND METHODS FOR INCREASING SHELF-LIFE OF BANANA SULLIVAN, BRIAN JAMES 1663 §103 Non-Final OA 89d overdue Pending Jan 03, 2023
17439158 INTRODUCING SILENCING ACTIVITY TO DYSFUNCTIONAL RNA MOLECULES AND MODIFYING THEIR SPECIFICITY AGAINST A GENE OF INTEREST SULLIVAN, BRIAN JAMES 1663 §103 Non-Final OA — Pending Sep 14, 2021
16648779 MODIFYING THE SPECIFICITY OF NON-CODING RNA MOLECULES FOR SILENCING GENE EXPRESSION IN EUKARYOTIC CELLS VYAS, KEYUR ANILKUMAR 1637 §103DP Final Rejection — Pending Mar 19, 2020

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