Prosecution Insights
Last updated: April 19, 2026

Examiner: TRAN, CHAU NGUYEN BICH

Tech Center 1600 • Art Units: 1677

This examiner grants 35% of resolved cases

Performance Statistics

34.8%
Allow Rate
-25.2% vs TC avg
103
Total Applications
+49.0%
Interview Lift
1449
Avg Prosecution Days
Based on 69 resolved cases, 2023–2026

Rejection Statute Breakdown

11.7%
§101 Eligibility
9.8%
§102 Novelty
43.1%
§103 Obviousness
22.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17425157 ASSESSING AND TREATING GERM CELL TUMORS AND PARANEOPLASTIC AUTOIMMUNITY Final Rejection Mayo Foundation for Medical Education and Research
18072459 SYSTEM AND METHOD FOR PRECISION DETECTION OF BIOMARKERS Non-Final OA Arizona Board of Regents on behalf of Arizona State University
17795895 METHODS FOR DETECTING FOOD ALLERGIES Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
17778122 MEASUREMENT METHOD USING ANTI-IMMUNOCOMPLEX ANTIBODY Final Rejection 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
17248266 MATERIALS AND METHODS FOR DETECTING FUSION PROTEINS Final Rejection Ventana Medical Systems, Inc.
17763992 COMPOSITIONS AND METHODS FOR DIAGNOSIS OF PERIPHERAL ARTERIAL DISEASE Final Rejection UNITY HEALTH TORONTO
17518016 BIOMARKERS FOR DIAGNOSING ALZHEIMER'S DISEASE Final Rejection Seer, Inc.
17269041 PROTEIN AND PEPTIDE BIOMARKERS FOR TRAUMATIC INJURY TO THE CENTRAL NERVOUS SYSTEM Non-Final OA UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INCORPORATED
16783376 METHODS FOR CONDUCTING ASSAYS Non-Final OA Meso Scale Technologies, LLC.
17776200 METHOD FOR DETERMINATION OF AGGREGATES Non-Final OA Cytiva Sweden AB
18456491 NEAR INFRARED-II REGION FLUORESCENT RARE EARTH NANOPROBE TEST STRIP AND ITS PREPARATION METHOD Non-Final OA Shandong Laboratory of Yantai Drug Discovery
18000303 METHOD, USE OF THE METHOD AND KIT FOR DETECTING BIOINDICATORS IN A SAMPLE Non-Final OA Forschungszentrum Juelich GmbH
17906183 MULTIPLEXED COLOCALIZATION-BY-LINKAGE ASSAYS FOR THE DETECTION AND ANALYSIS OF ANALYTES Non-Final OA NOMIC BIO INC.
17426936 BRAIN-DERIVED VESICLE-SPECIFIC MARKER AND BRAIN DISEASE DIAGNOSTIC METHOD USING SAME Non-Final OA TS CELL BIO CO., LTD.
17052499 IDENTIFICATION OF IMMUNOGLOBULINS USING MASS SPECTROMETRY Non-Final OA The Binding Site Group Ltd
17085053 IMMUNOASSAY FOR AN AUTOMATED SYSTEM Final Rejection HAHN-SCHICKARD-GESELLSCHAFT FUER ANGEWANDTE FORSCHUNG E.V.

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