Prosecution Insights
Last updated: October 25, 2026

Chengdu Anticancer Bioscience Ltd.

Technology area: Biotechnology & Pharmaceuticals

2 pending office actions • 1 art units • 2 examiners • 0 of 2 (0%) have an AI response strategy ready

Analysis

Chengdu Anticancer Bioscience Ltd. has 2 pending office actions in Biotechnology & Pharmaceuticals. The matters are handled by 2 examiners within 1 art unit, which keeps the technical setting consistent while introducing separate examiner analyses.

NESTOR, DONNA MICHELLE is the busiest examiner, with 1 pending matter. A shared technical record may be useful, but responses should remain tailored to the examiner-specific treatment of the claims.

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.

2
Hard (100%)
0
Medium (0%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 + other1 (50%)
Multi-statute (no §101)1 (50%)

Industry Mix

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

1
Life Sciences
50% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
0
Mechanical / Eng
0% of docket
1
Business / Other
50% 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
NESTOR, DONNA MICHELLE 1 56.6% +44.2%
ZEMAN, MARY K 1 58.9% +34.2%

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
18667441 1H-BENZO[B]AZEPIN-2(3H)-ONE COMPOUNDS, COMPOSITIONS AND METHODS OF TREATING CANCER NESTOR, DONNA MICHELLE —
18386435 METHODS AND MODELS FOR DIRECT MOLECULAR CONFORMATION GENERATION ZEMAN, MARY K —

Interview Candidates (2)

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 2 ordered by deadline are shown.

App #TitleExaminerDue in
18667441 1H-BENZO[B]AZEPIN-2(3H)-ONE COMPOUNDS, COMPOSITIONS AND METHODS OF TREATING CANCER NESTOR, DONNA MICHELLE —
18386435 METHODS AND MODELS FOR DIRECT MOLECULAR CONFORMATION GENERATION ZEMAN, MARY K —

Top Art Units

Art UnitApps
1627 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18667441 1H-BENZO[B]AZEPIN-2(3H)-ONE COMPOUNDS, COMPOSITIONS AND METHODS OF TREATING CANCER NESTOR, DONNA MICHELLE 1627 §103§112 Non-Final OA — Pending May 17, 2024
18386435 METHODS AND MODELS FOR DIRECT MOLECULAR CONFORMATION GENERATION ZEMAN, MARY K — §101§102§103 Non-Final OA — Pending Nov 02, 2023

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Frequently Asked Questions

How many pending USPTO office actions does Chengdu Anticancer Bioscience Ltd. have?

Chengdu Anticancer Bioscience Ltd. has 2 pending office actions as of October 2026, spread across 1 art units and 2 examiners.

Which USPTO examiner handles the most Chengdu Anticancer Bioscience Ltd. applications?

Donna Michelle Nestor has the most, with 1 of Chengdu Anticancer Bioscience Ltd.'s pending office actions.

What technology area are Chengdu Anticancer Bioscience Ltd.'s patent applications in?

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

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