Prosecution Insights
Last updated: October 27, 2026

John David Hagler, USPTO Patent Examiner

Listed by the USPTO as HAGLER, JOHN DAVID

Tech Center 2100 • Art Units: 1744 2187 2189

This examiner grants 61% of resolved cases

Analysis

John David Hagler has handled 33 resolved cases in Art Unit 1744, which is part of Tech Center 2100. The examiner's allowance rate is 60.6 percent, and the median days to allowance is 1400. These metrics are important for top companies like Saudi Arabian Oil Company, Mitsubishi Heavy Industries Ltd., and Fujitsu Limited.

The interview lift of 24.2 percent is a significant statistic, indicating that interviews substantially improve the 60.6 percent baseline allowance rate. Firms such as WENDEROTH, LIND & PONACK, L.L.P., Baker Botts L.L.P., and MOSER TABOADA should prioritize oral advocacy. The 24.2 percent lift suggests that the examiner is open to resolving issues through direct discussion during the 1400-day median pendency.

With 33 resolved cases, the data provides a clear picture of the examiner's performance. The 60.6 percent allowance rate and 1400-day median pendency are primary benchmarks for applicants. The 24.2 percent lift is a powerful tool for practitioners looking to increase their chances of a grant in Art Unit 1744.

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

Performance Statistics

60.6%
Allow Rate
+5.6% vs TC avg
53
Total Applications
+24.2%
Interview Lift
1400
Avg Prosecution Days
Based on 33 resolved cases, 2023–2026

Rejection Statute Breakdown

27.6%
§101 Eligibility
9.7%
§102 Novelty
51.0%
§103 Obviousness
11.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18552705 CATEGORISATION OF RESOURCES USING LIGHTWEIGHT MACHINE-TO MACHINE PROTOCOL Non-Final OA TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
18461551 DATA PROCESSING DEVICE, STORAGE MEDIUM, AND DATA PROCESSING METHOD Non-Final OA Fujitsu Limited
17748660 Characterization and Geomodeling of Three-Dimensional Vugular Pore System in Carbonate Reservoir Non-Final OA Saudi Arabian Oil Company
18272937 TRAINING METHOD FOR LEARNING DEVICE, METHOD FOR DESIGNING DESIGN PATTERN, METHOD FOR MANUFACTURING LAMINATE, AND DESIGN DEVICE FOR DESIGN PATTERN Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18700244 TOOLS COMPRISING REPEATING STRUCTURES FORMED USING ADDITIVE MANUFACTURING PROCESSES Non-Final OA Peridot Print LLC
18216924 METHOD AND SYSTEM FOR PERFORMING A VIRTUAL TEST Non-Final OA dSPACE GmbH

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Frequently Asked Questions

What is examiner John David Hagler's allowance rate?

60.6% of resolved applications examined by John David Hagler were allowed (33 resolved cases), compared with 48.7% across Art Unit 1744 over the last five years.

Does an interview help with examiner John David Hagler?

This examiner's interview lift is +24.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John David Hagler take to allow a patent?

Applications allowed by John David Hagler took 1,400 days on average from filing to allowance.

Which art unit does examiner John David Hagler work in?

John David Hagler examines applications in Art Unit 1744 in Tech Center 2100 (Computing & Software).

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