Prosecution Insights
Last updated: October 26, 2026

David L Ton, USPTO Patent Examiner

Listed by the USPTO as TON, DAVID L

Tech Center 2600 • Art Units: 2614 2654 2691 2695

This examiner grants 85% of resolved cases

Analysis

TON, DAVID L works in tech center 2600 and art unit 2614. The profile covers 657 resolved cases, with an allowance rate of 84.8% and a median of 823 days to allowance. Interviews are associated with a 12.3% lift, giving examiner interaction a measurable but less dominant role than the overall allowance outcome.

Representative companies include Panasonic Holdings Corporation, Samsung Electronics Co., Ltd., and Beijing Zitiao Network Technology Co., Ltd. The listed firms are Wenderoth, Lind & Ponack, L.L.P., BANNER & WITCOFF, LTD., and Bond Schoeneck & King PLLC - Buffalo. Applicants can use these organizations as reference points for technology alignment and prosecution experience.

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

Performance Statistics

84.8%
Allow Rate
+22.8% vs TC avg
669
Total Applications
+12.3%
Interview Lift
823
Avg Prosecution Days
Based on 657 resolved cases, 2023–2026

Rejection Statute Breakdown

9.3%
§101 Eligibility
22.9%
§102 Novelty
35.1%
§103 Obviousness
17.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19016478 ELECTRONIC DEVICE FOR PROVIDING AT LEAST ONE SOUND CHANNEL TO ANOTHER ELECTRONIC DEVICE AND CONTROL METHOD THEREOF Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18941333 METHOD, APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM FOR AUDIO PROCESSING Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18932276 SETTING SWEET SPOT FOR LISTENER OF STEREO AUDIO SOURCED FROM PLURAL AUDIO SOURCES Non-Final OA Sony Interactive Entertainment Inc.
19016726 INFORMATION GENERATION METHOD, ACOUSTIC SIGNAL PROCESSING METHOD, RECORDING MEDIUM, AND INFORMATION GENERATION DEVICE Non-Final OA Panasonic Intellectual Property Corporation of America
19016711 INFORMATION GENERATION METHOD, ACOUSTIC SIGNAL PROCESSING METHOD, RECORDING MEDIUM, AND INFORMATION GENERATION DEVICE Non-Final OA Panasonic Intellectual Property Corporation of America
19016689 INFORMATION GENERATION METHOD, ACOUSTIC SIGNAL PROCESSING METHOD, RECORDING MEDIUM, AND INFORMATION GENERATION DEVICE Non-Final OA Panasonic Intellectual Property Corporation of America
18808058 APPARATUS AND METHOD FOR HEAD-RELATED TRANSFER FUNCTION COMPRESSION Non-Final OA Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

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Frequently Asked Questions

What is examiner David L Ton's allowance rate?

84.8% of resolved applications examined by David L Ton were allowed (657 resolved cases), compared with 66.9% across Art Unit 2614 over the last five years.

Does an interview help with examiner David L Ton?

This examiner's interview lift is +12.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David L Ton take to allow a patent?

Applications allowed by David L Ton took 823 days on average from filing to allowance.

Which art unit does examiner David L Ton work in?

David L Ton examines applications in Art Unit 2614 in Tech Center 2600 (Communications).

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