Prosecution Insights
Last updated: October 04, 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. currently manages 3 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are spread across 2 distinct art units for the company patent portfolio. The prosecution involves 3 distinct examiners, matching the number of 3 pending office actions. This distribution of examiners and pending actions ensures that each application is receiving an independent review from a different official.

NESTOR, DONNA MICHELLE is the busiest examiner for the company, currently overseeing 1 pending office action. With the 3 distinct examiners assigned to the 3 pending office actions, each official is responsible for a pending matter. This distribution across 2 distinct art units shows that the pending office actions are being handled by different examiners. For the practitioner, this requires managing separate examiner relationships within the Biotechnology & Pharmaceuticals technology area, even though the work is situated in the 2 distinct art units. The 3 pending office actions are the only active matters.

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

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.

0
Overdue
0
Due this week
0
Due this month
1
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 (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%
HILL, GRACELYN MARKHAM 1 100.0% +0.0%

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
17954969 GRAPH BASED MACHINE LEARNING FOR GENERATING VALID SMALL MOLECULE COMPOUNDS HILL, GRACELYN MARKHAM 35d
18667441 1H-BENZO[B]AZEPIN-2(3H)-ONE COMPOUNDS, COMPOSITIONS AND METHODS OF TREATING CANCER NESTOR, DONNA MICHELLE —

Interview Candidates (1)

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 1 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 —

Top Art Units

Art UnitApps
1685 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 — §103§112 Non-Final OA — Pending May 17, 2024
17954969 GRAPH BASED MACHINE LEARNING FOR GENERATING VALID SMALL MOLECULE COMPOUNDS HILL, GRACELYN MARKHAM 1685 §101§103§112 Non-Final OA 35d Pending Sep 28, 2022

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