Prosecution Insights
Last updated: August 18, 2026

Examiner: DAHLE, CHUN WU

Tech Center 1600 • Art Units: 1641 1644 1671

This examiner grants 50% of resolved cases

Performance Statistics

49.8%
Allow Rate
-10.2% vs TC avg
697
Total Applications
+51.4%
Interview Lift
1438
Avg Prosecution Days
Based on 658 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
16.4%
§102 Novelty
24.4%
§103 Obviousness
33.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17615949 ANTI-TNF ANTIBODY COMPOSITIONS, AND METHODS FOR THE TREATMENT OF PSORIATIC ARTHRITIS Final Rejection Janssen Biotech, Inc.
19297947 FC FRAGMENTS THAT BIND FCRN AND METHODS OF USE Final Rejection Paragon Therapeutics, Inc.
18249708 INJECTABLE HYDROGELS FOR ADOPTIVE CELL THERAPY Final Rejection The Board of Trustees of the Leland Stanford Junior University
18013864 METHODS TO GLYCOENGINEER PROTEINS Final Rejection THE JOHNS HOPKINS UNIVERSITY
18163374 ANTI-CD154 ANTIBODIES HAVING IMPAIRED FcR BINDING AND/OR COMPLEMENT BINDING PROPERTIES AND USE IN THERAPY Non-Final OA THE TRUSTEES OF DARTMOUTH COLLEGE
18033907 GENETICALLY ENGINEERED ANTIGEN-SPECIFIC NATURAL KILLER CELLS FOR IN SITU SYNTHESIS OF PROTEINS Non-Final OA SRI International
18269257 Method for Measuring Target Antigen, and Insoluble Particles and Kit for Target Antigen Measurement Used Therein Non-Final OA Denka Company Limited

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