Prosecution Insights
Last updated: October 27, 2026

Thomas L Mansfield, USPTO Patent Examiner

Listed by the USPTO as MANSFIELD, THOMAS L

Tech Center 3600 • Art Units: 3623 3624 3683

This examiner grants 51% of resolved cases

Analysis

MANSFIELD, THOMAS L works in tech center 3600 and art unit 3623. The record includes 610 resolved cases, a 51.1% allowance rate, and a median of 1615 days to allowance. The 32.8% interview lift indicates that interviews are associated with improved allowance outcomes, while the median timing signals a lengthy prosecution path in the recorded cases.

Recurring companies are Nice Ltd., Microsoft Technology Licensing, LLC, and Toyota Motor Corporation. The listed firms are Ahmann Kloke LLP, FOLEY & LARDNER LLP, and HAUPTMAN HAM, LLP. Practitioners should account for both interview activity and extended timing when setting expectations.

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

Performance Statistics

51.1%
Allow Rate
-0.9% vs TC avg
647
Total Applications
+32.8%
Interview Lift
1615
Avg Prosecution Days
Based on 610 resolved cases, 2023–2026

Rejection Statute Breakdown

38.5%
§101 Eligibility
18.8%
§102 Novelty
23.7%
§103 Obviousness
15.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18891210 TASK CONTENT IDENTIFYING SYSTEM, TASK CONTENT IDENTIFYING METHOD, AND STORAGE MEDIUM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18144082 INCREASING COMPUTER SYSTEM EFFICIENCY USING UNIFIED ENCODING Final Rejection Microsoft Technology Licensing, LLC
17723182 ESTIMATING AND PROMOTING FUTURE USER ENGAGEMENT OF APPLICATIONS Final Rejection Microsoft Technology Licensing, LLC
18916460 PLAN ANALYSIS METHOD AND PLAN ANALYSIS SYSTEM Final Rejection Hitachi, Ltd.
19118921 INFORMATION PROCESSING METHOD, INFORMATION PROCESSING APPARATUS AND COMPUTER PROGRAM Non-Final OA THE JAPAN STEEL WORKS, LTD.

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Frequently Asked Questions

What is examiner Thomas L Mansfield's allowance rate?

51.1% of resolved applications examined by Thomas L Mansfield were allowed (610 resolved cases), compared with 24.1% across Art Unit 3623 over the last five years.

Does an interview help with examiner Thomas L Mansfield?

This examiner's interview lift is +32.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thomas L Mansfield take to allow a patent?

Applications allowed by Thomas L Mansfield took 1,615 days on average from filing to allowance.

Which art unit does examiner Thomas L Mansfield work in?

Thomas L Mansfield examines applications in Art Unit 3623 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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