Prosecution Insights
Last updated: October 27, 2026

Charles Cheyney, USPTO Patent Examiner

Listed by the USPTO as CHEYNEY, CHARLES

Tech Center 3700 • Art Units: 3754

This examiner grants 57% of resolved cases

Analysis

CHEYNEY, CHARLES works in tech center 3700 and art unit 3754, with 813 resolved cases. The allowance rate is 56.7%, and the median time to allowance is 930 days. The interview lift is 42.6%, making interviews a significant prosecution consideration in a record with a moderate allowance rate.

The principal companies are The Procter & Gamble Company, Tatsuno Corporation, and Gojo Industries Inc. The leading firms are Calfee, Halter & Griswold LLP, STETINA GARRED BRUCKER & NEWBOLES, and BIRCH STEWART KOLASCH & BIRCH, LLP. Practitioners should prepare focused interviews alongside substantive claim amendments.

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

Performance Statistics

56.7%
Allow Rate
-13.3% vs TC avg
869
Total Applications
+42.6%
Interview Lift
930
Avg Prosecution Days
Based on 813 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
22.3%
§102 Novelty
57.5%
§103 Obviousness
15.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19021354 PACKAGED LAUNDRY PRODUCT Non-Final OA The Procter & Gamble Company
18751691 DURABLE BOTTOM-DISPENSING CONTAINERS Final Rejection The Procter & Gamble Company
18994099 DISCHARGE VALVE, PRESSURE BOOSTING PUMP, AND HYDROGEN SUPPLY SYSTEM Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
19032660 Dosing System with Spherical Housing for a Washing Machine Non-Final OA Henkel AG & Co. KGaA
18956399 Dispenser System Final Rejection Colgate-Palmolive Company

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Frequently Asked Questions

What is examiner Charles Cheyney's allowance rate?

56.7% of resolved applications examined by Charles Cheyney were allowed (813 resolved cases), compared with 54.1% across Art Unit 3754 over the last five years.

Does an interview help with examiner Charles Cheyney?

This examiner's interview lift is +42.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Charles Cheyney take to allow a patent?

Applications allowed by Charles Cheyney took 930 days on average from filing to allowance.

Which art unit does examiner Charles Cheyney work in?

Charles Cheyney examines applications in Art Unit 3754 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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