Prosecution Insights
Last updated: October 26, 2026

Ryan D Walsh, USPTO Patent Examiner

Listed by the USPTO as WALSH, RYAN D

Tech Center 2800 • Art Units: 2852 2857

This examiner grants 87% of resolved cases

Analysis

WALSH, RYAN D is assigned to Tech Center 2800 and Art Unit 2852. The record covers 1050 resolved cases, with an 86.9% allowance rate and a median of 820 days to allowance. The allowance rate indicates that most matters reached allowance, while the median timing reflects a path that is shorter than the extended prosecution periods shown in many other records.

The 5.7% interview lift indicates a positive but limited association between interviews and allowance. The leading companies are Volvo Group, Konica Minolta Inc., and Wisconsin Alumni Research Foundation. The principal firms are BANNER & WITCOFF, LTD., Burr & Forman LLP (Primary Customer Number), and CAESAR RIVISE, PC. The data supports a primary focus on precise written claim positioning, with interviews used selectively for clarification.

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

Performance Statistics

86.9%
Allow Rate
+18.9% vs TC avg
1,078
Total Applications
+5.7%
Interview Lift
820
Avg Prosecution Days
Based on 1050 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
38.5%
§102 Novelty
39.9%
§103 Obviousness
10.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18940958 SYSTEM AND METHOD FOR TESTING A CABIN AIR QUALITY COMPONENT OF A VEHICLE Non-Final OA Volvo Car Corporation
18243608 COHERENT MATRIX OF DIGITAL IMAGING SYSTEMS ON CHIP Final Rejection Exo Imaging, Inc.
18844999 Gas Detection, Identification, and Quantification Systems and Devices for Medical Applications Non-Final OA Becton, Dickinson and Company
18871426 METHOD FOR THE CONTACTLESS DETERMINATION OF CONDENSATE FORMATION Non-Final OA Endress+Hauser Flowtec AG

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Frequently Asked Questions

What is examiner Ryan D Walsh's allowance rate?

86.9% of resolved applications examined by Ryan D Walsh were allowed (1,050 resolved cases), compared with 78.8% across Art Unit 2852 over the last five years.

Does an interview help with examiner Ryan D Walsh?

This examiner's interview lift is +5.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ryan D Walsh take to allow a patent?

Applications allowed by Ryan D Walsh took 820 days on average from filing to allowance.

Which art unit does examiner Ryan D Walsh work in?

Ryan D Walsh examines applications in Art Unit 2852 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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