Prosecution Insights
Last updated: April 19, 2026

Examiner: TRAN, VIVIAN AILINH

Tech Center 1700 • Art Units: 1794

This examiner grants 53% of resolved cases

Performance Statistics

52.9%
Allow Rate
-12.1% vs TC avg
214
Total Applications
+42.5%
Interview Lift
1385
Avg Prosecution Days
Based on 189 resolved cases, 2023–2026

Rejection Statute Breakdown

4.8%
§101 Eligibility
10.8%
§102 Novelty
45.3%
§103 Obviousness
30.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18194269 GAS SENSOR Non-Final OA DENSO CORPORATION
18161449 SENSOR CONTROL UNIT Non-Final OA DENSO CORPORATION
18725295 ELECTRODE AND ELECTROCHEMICAL MEASUREMENT SYSTEM Non-Final OA NITTO DENKO CORPORATION
18840098 ELECTROLYTE ANALYSIS DEVICE Non-Final OA HITACHI HIGH-TECH CORPORATION
17918050 Electrophoresis Device and Analysis Method Non-Final OA Hitachi High-Tech Corporation
18815112 PROTECTIVE MEMBRANE SYSTEM FOR A ROD-SHAPED SENSOR AND SENSOR UNIT Non-Final OA Endress+Hauser Conducta GmbH+Co. KG
18501834 ANALYTE SENSOR AND A METHOD FOR ITS PRODUCING Non-Final OA Roche Diabetes Care, Inc.
16947175 NANOPORE WELL STRUCTURES AND METHODS Final Rejection Roche Sequencing Solutions, Inc.
18187049 GAS SENSOR AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR Non-Final OA NGK INSULATORS, LTD.
18671069 SYSTEMS, APPARATUSES, AND METHODS FOR FLUID POTENTIAL EFFECT MITIGATION IN LARGE SCALE CHEMFET ARRAYS Non-Final OA LIFE TECHNOLOGIES CORPORATION
17584397 SENSING DEVICE AND SENSING METHOD Non-Final OA National Tsing Hua University
18653828 ANION SENSING USING 1,2,3-TRIAZOLATE METAL-ORGANIC FRAMEWORK NANOPARTICLES Non-Final OA University of Oregon
18533479 CONTACTING-TYPE CONDUCTIVITY SENSOR WITH CORROSION DIAGNOSTIC Non-Final OA Rosemount Inc.
18609422 METHOD FOR CALIBRATING A DEVICE FOR MEASURING THE CONCENTRATION OF CREATININE Non-Final OA Radiometer Medical ApS
18284578 Solid-state Reference Electrode Based on Polymeric Membrane Non-Final OA NOVA BIOMEDICAL CORPORATION
16152727 ANALYTE SENSOR Non-Final OA PercuSense, Inc.
15475719 SYSTEMS AND METHODS FOR ELECTROCHEMICAL CREATININE ASSAYS Non-Final OA Polymer Technology Systems, Inc.
17718037 METHOD FOR SINGLE CHANNEL FREE-FLOW ELECTROPHORESIS WITH SEQUENTIAL PH ADJUSTMENT Non-Final OA ProteinSimple

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month