Prosecution Insights
Last updated: October 26, 2026

John M Heffington, USPTO Patent Examiner

Listed by the USPTO as HEFFINGTON, JOHN M

Tech Center 2100 • Art Units: 2145 2172 2177 2179

This examiner grants 40% of resolved cases

Analysis

HEFFINGTON, JOHN M is assigned to tech center 2100 and art unit 2145. The profile covers 438 resolved cases and reports an allowance rate of 40.0%. The median time to allowance is 1,863 days, while interviews correspond with a 30.4% lift. The combination indicates a demanding prosecution path, with interviews providing a potentially useful avenue for advancing difficult cases.

The represented companies are Huawei Technologies Co., Ltd., Microsoft Technology Licensing, LLC, and Samsung Electronics Co., Ltd. The listed firms are GTC Law Group PC & Affiliates, Harrity & Harrity, LLP \ Qualcomm, and Jefferson IP Law, LLP. Practitioners may develop layered fallback positions and use interviews to identify which technical distinctions can support a viable amendment.

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

Performance Statistics

40.0%
Allow Rate
-15.0% vs TC avg
477
Total Applications
+30.4%
Interview Lift
1863
Avg Prosecution Days
Based on 438 resolved cases, 2023–2026

Rejection Statute Breakdown

10.1%
§101 Eligibility
16.3%
§102 Novelty
65.1%
§103 Obviousness
5.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17536390 INFORMATION PROCESSING DEVICE, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM THEREFOR Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
17951656 USER DEVICE AND METHOD FOR CREATING HANDWRITING CONTENT Final Rejection Samsung Electronics Co., Ltd.
18624429 PORTABLE MULTIFUNCTION DEVICE, METHOD, AND GRAPHICAL USER INTERFACE FOR PROVIDING MAPS AND DIRECTIONS Non-Final OA Apple Inc.
17878742 Curated Media Library Final Rejection Apple Inc.
18508092 MULTI-VIEW AUDIO AND VIDEO INTERACTIVE PLAYBACK Non-Final OA Google LLC
17925257 File Application Method and Apparatus Final Rejection Huawei Technologies Co., Ltd.
16754710 Notification Handling Method and Electronic Device Final Rejection Huawei Technologies Co. , Ltd.
17237252 SYSTEMS AND METHODS FOR PART TRACKING USING MACHINE LEARNING TECHNIQUES Final Rejection ILLINOIS TOOL WORKS INC.
17233374 USER EQUIPMENT REPORTING FOR UPDATING OF MACHINE LEARNING ALGORITHMS Non-Final OA QUALCOMM Incorporated
17410387 USING DATA REDUCTION TO ACCELERATE MACHINE LEARNING FOR NETWORKING Final Rejection Microsoft Technology Licensing, LLC
17347205 AUTOMATED FINE-TUNING AND DEPLOYMENT OF PRE-TRAINED DEEP LEARNING MODELS Final Rejection MICROSOFT TECHNOLOGY LICENSING, LLC.
17644900 SHIELDED SUPERCONDUCTING QUBIT WITH IMPROVED COHERENCE Non-Final OA International Business Machines Corporation
17049032 CONVOLUTIONAL NEURAL NETWORK Final Rejection HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

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Frequently Asked Questions

What is examiner John M Heffington's allowance rate?

40.0% of resolved applications examined by John M Heffington were allowed (438 resolved cases), compared with 52.6% across Art Unit 2145 over the last five years.

Does an interview help with examiner John M Heffington?

This examiner's interview lift is +30.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John M Heffington take to allow a patent?

Applications allowed by John M Heffington took 1,863 days on average from filing to allowance.

Which art unit does examiner John M Heffington work in?

John M Heffington examines applications in Art Unit 2145 in Tech Center 2100 (Computing & Software).

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