Prosecution Insights
Last updated: October 02, 2026

Examiner: NICHOLS, CHARLES W

Tech Center 4100 • Art Units: 3746 3783 4100

This examiner grants 56% of resolved cases

Analysis

Charles W Nichols is an examiner in Tech Center 4100 and Art Unit 3746. The examiner has 368 resolved cases. The data shows an allowance rate of 56.0 percent, which indicates the frequency of patent grants for applications in this unit. The median days to allowance for these cases is 1480. This timeframe provides a clear expectation for the duration of the prosecution process.

The interview lift is 54.1 percent. This figure suggests that conducting an interview has a very high impact on the probability of success compared to the 56.0 percent allowance rate. Applicants may find that verbal communication is a highly effective strategy. The 368 resolved cases provide a basis for these observations.

In Art Unit 3746, the 1480 median days to allowance reflects the typical speed of the examination cycle. The 54.1 percent interview lift represents a substantial improvement in outcomes. Practitioners should prioritize an interview when developing their strategy for Tech Center 4100.

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

Performance Statistics

56.0%
Allow Rate
-4.0% vs TC avg
405
Total Applications
+54.1%
Interview Lift
1480
Avg Prosecution Days
Based on 368 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
17.5%
§102 Novelty
63.5%
§103 Obviousness
17.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18383665 PHACOEMULSIFICATION HANDPIECE WITH INTEGRATED ANTI-VACUUM SURGE MODULE Non-Final OA JOHNSON & JOHNSON SURGICAL VISION, INC.
18073263 METHOD AND APPARATUS FOR TREATMENT OF CHRONIC VENOUS INSUFFICIENCY Non-Final OA Regents of the University of Minnesota
18339332 DRUG INJECTION DEVICE BASED ON ELECTROCHEMICAL REACTION AND FABRICATION METHOD FOR DRUG INJECTION PUMP Non-Final OA PEKING UNIVERSITY
18502774 Needle Assembly With Integrated Curvature Mechanism Non-Final OA United States Government As Represented By The Department Of Veterans Affairs
18227071 PUMP-CONNECTABLE ANALYTE SENSING CANNULA Non-Final OA Pacific Diabetes Technologies Inc

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