Prosecution Insights
Last updated: October 27, 2026

Dennis William Ruhl, USPTO Patent Examiner

Listed by the USPTO as RUHL, DENNIS WILLIAM

Tech Center 3600 • Art Units: 3621 3626 3629 3687 3689

This examiner grants 26% of resolved cases

Analysis

RUHL, DENNIS WILLIAM has resolved 586 cases in Tech Center 3600 and Art Unit 3621. The allowance rate is 26.1%, and the interview lift is 23.4%. The median time to allowance is 1719 days. The profile shows a low allowance rate, a positive interview association, and the longest reported median duration in this profile set.

State Farm Mutual Automobile Insurance Company, Wells Fargo Bank, N.A., and American Express Travel Related Services Company, Inc. are the listed leading companies. Amarok IP Inc., BIRCH STEWART KOLASCH & BIRCH, LLP, and BUCHALTER are the listed leading firms. Counsel should plan for sustained prosecution and carefully develop the record. The positive interview measure may support discussion, but it does not offset the need for detailed responses and realistic timing expectations.

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

Performance Statistics

26.1%
Allow Rate
-25.9% vs TC avg
628
Total Applications
+23.4%
Interview Lift
1719
Avg Prosecution Days
Based on 586 resolved cases, 2023–2026

Rejection Statute Breakdown

31.6%
§101 Eligibility
10.9%
§102 Novelty
30.4%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19251353 INFORMATION PROCESSING APPARATUS, METHOD, AND PROGRAM Final Rejection FUJIFILM Corporation
18610875 CONFIRMING CONDITIONAL BEQUEST Final Rejection WELLS FARGO BANK, N.A.
18674371 LOCATION QUEUING USING DIGITAL INSTRUMENTS Non-Final OA AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, INC.
18514876 DETERMINING DRIVING BEHAVIOR BASED ON TELEMATICS DATA Final Rejection State Farm Mutual Automobile Insurance Company
18124420 USING A VIRTUAL ENVIRONMENT TO REPAIR PHYSICAL ITEMS Final Rejection STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY
18004765 DEVICE MANAGEMENT SYSTEM Non-Final OA NTT DOCOMO, INC.
19007718 Method for Determining the Carbon Footprint of a Product in Production Processes of a Production Plant Final Rejection BASF SE
18436215 SYSTEM AND METHOD FOR AUTOMATICALLY GENERATING RENEWAL OF LEASE CONTRACTS IN REAL ESTATE PROPERTIES Final Rejection Entrata, Inc.
18470416 METHOD, SYSTEM, STORAGE MEDIUM AND DEVICE FOR EVALUATING ADAPTIVE REUSE OF EXISTING RESIDENTIAL BUILDINGS Final Rejection SOUTHEAST UNIVERSITY

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Frequently Asked Questions

What is examiner Dennis William Ruhl's allowance rate?

26.1% of resolved applications examined by Dennis William Ruhl were allowed (586 resolved cases), compared with 25.4% across Art Unit 3621 over the last five years.

Does an interview help with examiner Dennis William Ruhl?

This examiner's interview lift is +23.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dennis William Ruhl take to allow a patent?

Applications allowed by Dennis William Ruhl took 1,719 days on average from filing to allowance.

Which art unit does examiner Dennis William Ruhl work in?

Dennis William Ruhl examines applications in Art Unit 3621 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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