Prosecution Insights
Last updated: October 04, 2026

Zhejiang Cancer Hospital

Technology areas: Biotechnology & Pharmaceuticals • Semiconductors, Circuits & Optics

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

Analysis

Zhejiang Cancer Hospital has 2 pending office actions within the Biotechnology & Pharmaceuticals technology area. These actions are distributed across 2 distinct examiners and 2 distinct art units. This suggests that the hospital's current patent interests are split between different technical specialties within the broader Biotechnology & Pharmaceuticals field. The use of 2 distinct art units for only 2 pending office actions highlights a lack of overlap in the subject matter currently under review.

KARUNASENA, ENUSHA is the busiest examiner, currently managing 1 pending office action. With 2 distinct examiners each handling the 2 pending office actions, the workload is balanced. This structure means that the hospital must manage separate prosecution tracks, each subject to the specific standards of different examiners and art units. The outcome of these 2 pending office actions will depend on the individual interpretations of KARUNASENA, ENUSHA and the other distinct examiner involved in the Biotechnology & Pharmaceuticals area.

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

Portfolio Summary

2
Total Pending OAs
1
Non-Final OAs
1
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.

0
Overdue
0
Due this week
2
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 (50%)
1
Medium (50%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§103 only1 (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
1
Semiconductors
50% 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
KARUNASENA, ENUSHA 1 0.0% +0.0%
RIDDICK, BLAKE CUTLER 1 78.2% +9.6%

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
18689866 METHOD FOR RAPIDLY DETERMINING SURVIVAL CONDITION OF SPORES KARUNASENA, ENUSHA 14d

Top Art Units

Art UnitApps
1653 1
2884 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
18689866 METHOD FOR RAPIDLY DETERMINING SURVIVAL CONDITION OF SPORES KARUNASENA, ENUSHA 1653 §102§103 Non-Final OA 14d Pending Mar 07, 2024
18689863 METHOD AND FILM FOR MEASURING TWO-DIMENSIONAL DISTRIBUTION OF INDUSTRIAL IRRADIATION DOSE RIDDICK, BLAKE CUTLER 2884 §103 Final Rejection 22d Pending Mar 07, 2024

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