Prosecution Insights
Last updated: October 25, 2026

Beijing Normal University

Technology areas: Biotechnology & Pharmaceuticals • Transportation, E-Commerce & Mechanical Systems

3 pending office actions • 3 art units • 3 examiners • 0 of 3 (0%) have an AI response strategy ready

Analysis

Beijing Normal University manages 3 pending office actions within the Biotechnology & Pharmaceuticals technology area. These matters are distributed across 3 distinct examiners and 3 distinct art units. This creates a direct alignment where each pending action is reviewed by a unique examiner in a unique art unit within the biotechnology field.

The busiest examiner, YESILDAG, MEHMET, is responsible for 1 pending office action. Every examiner in this portfolio currently handles exactly 1 pending action. This distribution requires the university to navigate 3 different examiner perspectives across 3 separate art units simultaneously, as no single examiner oversees multiple files.

The involvement of 3 distinct art units suggests that the university's biotechnology filings cover a variety of specialized sub-sectors. Practitioners must tailor their prosecution strategies to the specific standards of each of the 3 distinct examiners. The lack of overlap between examiners means that successes or setbacks in one matter may not directly influence the others across the 3 pending office actions.

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

Portfolio Summary

3
Total Pending OAs
1
Non-Final OAs
1
Final Rejections
1
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 (67%)
1
Medium (33%)
0
Easy (0%)
0
Unknown (0%)

Rejection Statute Mix

BucketCases
§101 only1 (33%)
§103 only1 (33%)
Multi-statute (no §101)1 (33%)

Industry Mix

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

2
Life Sciences
67% of docket
0
Information Tech
0% of docket
0
Communications
0% of docket
0
Semiconductors
0% of docket
1
Mechanical / Eng
33% 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.

30 h
Manual time on pending OAs
6 h
Time saved (low, 20%)
10 h
Time saved (mid, 35%)
0.3 wks
FTE-weeks freed (mid)

Top Examiners on this docket

ExaminerApps on this docketAllow rateInterview lift
YESILDAG, MEHMET 1 33.7% +28.3%
KOROTCHKINA, LIOUBOV G 1 29.0% +64.1%
CRAIG, KAILA ANGELIQUE 1 33.8% +25.2%

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
19204733 HEALTH ASSESSMENT METHOD OF AN AQUATIC ECOSYSTEM BASED ON ECOLOGICAL INTEGRITY AND AN APPLICATION THEREOF YESILDAG, MEHMET —
18225937 INTERPENETRATING NETWORK MICROBIAL HYDROGEL WITH NATURAL POLYSACCHARIDE AND PROTEIN AND PREPARATION METHOD THEREOF KOROTCHKINA, LIOUBOV G —

Interview Candidates (3)

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 3 ordered by deadline are shown.

App #TitleExaminerDue in
19204733 HEALTH ASSESSMENT METHOD OF AN AQUATIC ECOSYSTEM BASED ON ECOLOGICAL INTEGRITY AND AN APPLICATION THEREOF YESILDAG, MEHMET —
18225937 INTERPENETRATING NETWORK MICROBIAL HYDROGEL WITH NATURAL POLYSACCHARIDE AND PROTEIN AND PREPARATION METHOD THEREOF KOROTCHKINA, LIOUBOV G —
17287642 DIHYDRAZONE COMPOUNDS HAVING HIGH AFFINITY TO A BETA PROTEIN AND TAU PROTEIN, DERIVATIVES THEREOF AND USE THEREOF CRAIG, KAILA ANGELIQUE —

Top Art Units

Art UnitApps
3624 1
1653 1
1618 1

Pending Office Actions

App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19204733 HEALTH ASSESSMENT METHOD OF AN AQUATIC ECOSYSTEM BASED ON ECOLOGICAL INTEGRITY AND AN APPLICATION THEREOF YESILDAG, MEHMET 3624 §101 Non-Final OA — Pending May 12, 2025
18225937 INTERPENETRATING NETWORK MICROBIAL HYDROGEL WITH NATURAL POLYSACCHARIDE AND PROTEIN AND PREPARATION METHOD THEREOF KOROTCHKINA, LIOUBOV G 1653 §103§112 Final Rejection — Pending Jul 25, 2023
17287642 DIHYDRAZONE COMPOUNDS HAVING HIGH AFFINITY TO A BETA PROTEIN AND TAU PROTEIN, DERIVATIVES THEREOF AND USE THEREOF CRAIG, KAILA ANGELIQUE 1618 §103 Non-Final OA — Pending Apr 22, 2021

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Frequently Asked Questions

How many pending USPTO office actions does Beijing Normal University have?

Beijing Normal University has 3 pending office actions as of October 2026, spread across 3 art units and 3 examiners.

Which USPTO examiner handles the most Beijing Normal University applications?

Mehmet Yesildag has the most, with 1 of Beijing Normal University's pending office actions.

What technology area are Beijing Normal University's patent applications in?

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

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