Prosecution Insights
Last updated: August 18, 2026

Examiner: TRAN, CHAU NGUYEN BICH

Tech Center 1600 • Art Units: 1677

This examiner grants 33% of resolved cases

Performance Statistics

33.3%
Allow Rate
-26.7% vs TC avg
108
Total Applications
+50.2%
Interview Lift
1450
Avg Prosecution Days
Based on 72 resolved cases, 2023–2026

Rejection Statute Breakdown

12.2%
§101 Eligibility
10.2%
§102 Novelty
42.9%
§103 Obviousness
23.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19345987 COMPETITIVE LIGAND BINDING ASSAYS Final Rejection Regeneron Pharmaceuticals, Inc.
17045344 METHODS, USES AND KITS FOR MONITORING OR PREDICTING RESPONSE TO PERIODONTAL DISEASE TREATMENT Final Rejection KONINKLIJKE PHILIPS N.V.
18643136 METHOD AND DEVICE FOR EVALUATING IMMUNE CELLS USING MAGNETIC PARTICLES Non-Final OA UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
18270749 BIOMARKER FOR DETERMINING FERTILITY, AND DETERMINING METHOD USING SAME Non-Final OA TOSOH CORPORATION
18205255 Methods and Systems for Quantitative Detection of SARS-CoV-2 Antibodies Using Dried Samples Non-Final OA Laboratory Corporation of America Holdings

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