Prosecution Insights
Last updated: October 02, 2026

Examiner: PHILLIPS, RUFUS L

Tech Center 3600 • Art Units: 2800 2871 2877 3645

This examiner grants 63% of resolved cases

Analysis

Rufus L. Phillips is an examiner in Tech Center 3600 and Art Unit 2800. The examiner has 358 resolved cases and an allowance rate of 62.6 percent. This rate indicates a moderate likelihood of success. The median days to allowance is 1135, which serves as a benchmark for the time required to reach a grant. With 358 resolved cases, the data provides a reliable perspective on the examiner's tendencies.

The interview lift for this examiner is 32.1 percent. This is a substantial lift, suggesting that interviews are very effective in this examiner's practice compared to the 62.6 percent baseline. Practitioners should prioritize direct communication to leverage the 32.1 percent lift. The 1135 median days to allowance is a key consideration for the timeline in Art Unit 2800. Given the 358 resolved cases, the 32.1 percent interview lift offers a clear path to improve the 62.6 percent probability of allowance.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

62.6%
Allow Rate
+10.6% vs TC avg
386
Total Applications
+32.1%
Interview Lift
1135
Avg Prosecution Days
Based on 358 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
14.8%
§102 Novelty
59.0%
§103 Obviousness
18.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18441476 SUBSTRATE TEST METHOD Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18971965 MEASUREMENT DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18553785 SURFACE ENHANCED RAMAN SPECTROSCOPY METHOD OF PATHOGEN DETECTION AND SUBSTRATE FOR THE SAME Final Rejection THE JOHNS HOPKINS UNIVERSITY
18840043 Calibration Method and System Final Rejection Precision Planting LLC
18746850 Cell Sorting Using A High Throughput Fluorescence Flow Cytometer Non-Final OA Becton, Dickinson and Company
18596301 Light Detection Systems Having A Secondary Light Scatter Detector And Methods For Using Same Final Rejection Becton, Dickinson and Company
18199756 Flow Cytometer With Optical Equalization Non-Final OA Becton, Dickinson and Company
17887078 SYSTEM AND METHOD FOR FEATURE SIGNAL ENHANCEMENT USING A SELECTIVELY BONDED PHOTOLUMINESCENT MATERIAL Non-Final OA KLA Corporation
18574585 Method and apparatus for measuring a force on at least one particle in a fluid, computer program product and computer-readable storage medium Non-Final OA Max-Planck-Gesellschaft zur Förderung der Wissenschaften E.V.
18572189 IMAGING SYSTEMS AND RELATED METHODS Final Rejection ILLUMINA, INC.
18808756 LIGHT EXCITATION AND COLLECTION DEVICE AND A METHOD FOR LIGHT EXCITATION AND COLLECTION Non-Final OA IMEC VZW

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