Prosecution Insights
Last updated: August 18, 2026

Examiner: EVANS, CHRISTOPHER RYAN

Tech Center 1600 • Art Units: 1677

This examiner grants 57% of resolved cases

Performance Statistics

57.1%
Allow Rate
-2.9% vs TC avg
51
Total Applications
+75.0%
Interview Lift
1364
Avg Prosecution Days
Based on 21 resolved cases, 2023–2026

Rejection Statute Breakdown

5.8%
§101 Eligibility
25.2%
§102 Novelty
38.5%
§103 Obviousness
24.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18045845 METHODS AND KITS FOR DETECTING OR DETERMINING AN AMOUNT OF AN ANTI-B-CORONAVIRUS ANTIBODY IN A SAMPLE Non-Final OA Abbott Laboratories
17954999 ASSAYS TO QUANTITATE DRUG AND TARGET CONCENTRATIONS Final Rejection Regeneron Pharmaceuticals, Inc.
18179759 REAGENT FOR MEASURING L-BIOTIN, METHOD FOR MEASURING SAMPLE CONTAINING L-BIOTIN, METHOD FOR DETERMINING NUMBER OF LABELS OF L-BIOTIN-LABELED SUBSTANCE, AND METHOD FOR PRODUCING SOLID PHASE ON WHICH OPTICALLY ISOMERIC BIOTIN-BINDING SITE IS IMMOBILIZED Final Rejection SYSMEX CORPORATION
17677255 STRUCTURE AND METHODS FOR DETECTION OF SAMPLE ANALYTES Final Rejection Nautilus Subsidiary, Inc.
18432550 METHOD FOR MEASURING RESPONSE OF OLFACTORY RECEPTOR TO SUBSTANCE Non-Final OA AJINOMOTO CO., INC.
17764931 TAU PROTEIN DETECTION METHOD USING BLOOD SAMPLE AS TEST SPECIMEN Final Rejection NIPRO CORPORATION
18290904 REAGENT CONTAINING HUMANIZED ANTIBODY Non-Final OA DENKA COMPANY LIMITED

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