Prosecution Insights
Last updated: April 19, 2026

Examiner: PHILLIPS, RUFUS L

Tech Center 2800 • Art Units: 2877

This examiner grants 62% of resolved cases

Performance Statistics

61.7%
Allow Rate
-6.3% vs TC avg
366
Total Applications
+32.3%
Interview Lift
1189
Avg Prosecution Days
Based on 347 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
17.6%
§102 Novelty
54.2%
§103 Obviousness
18.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18388148 MULTIMODAL DUST SENSOR Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18392339 MICROPARTICLE MEASURING APPARATUS AND MICROPARTICLE MEASURING METHOD Non-Final OA SONY GROUP CORPORATION
18199756 Flow Cytometer With Optical Equalization Final Rejection Becton, Dickinson and Company
18702425 PARTICLE ANALYSIS DEVICE Non-Final OA HORIBA, Ltd.
18806912 VIA WAIST DEPTH DETECTION DEVICE AND METHOD FOR THROUGH GLASS VIA (TGV) SUBSTRATE Non-Final OA KUN-HSIEN CHENG
18708291 METHOD AND APPARATUS FOR DETERMINING NANOPARTICLE PROPERTIES OF NANOPARTICLES IN A SAMPLE Non-Final OA Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e. V.
18294701 INTERFEROMETRIC SCATTERING MICROSCOPY Non-Final OA REFEYN LTD
18567512 SYSTEMS, DEVICES, AND METHODS FOR DIAGNOSTICS MEASUREMENTS Non-Final OA UbiDX, Inc.

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