Prosecution Insights
Last updated: October 02, 2026

Examiner: TON, DAVID L

Tech Center 2600 • Art Units: 2614 2654 2691 2695

This examiner grants 85% of resolved cases

Analysis

David L. Ton is an examiner in Tech Center 2600 and Art Unit 2614. The examiner has 653 resolved cases and an allowance rate of 84.7 percent. This 84.7 percent rate indicates the frequency of successful patent grants among the total resolutions. Practitioners can use this figure to assess the probability of issuance for applications assigned to this examiner in Art Unit 2614.

The data shows an interview lift of 12.5 percent. This 12.5 percent lift represents the increase in the likelihood of allowance when an interview is conducted compared to the baseline allowance rate. This metric suggests that direct communication is a productive strategy for advancing applications toward a grant. Practitioners should consider the 12.5 percent lift when deciding whether to allocate resources toward a formal interview.

The median days to allowance is 824. This 824-day duration is the middle value for the time required to reach a grant across the 653 resolved cases. This timeframe provides a benchmark for the expected length of the prosecution process from filing to issuance. By considering the 824-day median alongside the 84.7 percent allowance rate, applicants can set expectations for both the timing and the outcome of their cases.

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

Performance Statistics

84.7%
Allow Rate
+22.7% vs TC avg
659
Total Applications
+12.5%
Interview Lift
824
Avg Prosecution Days
Based on 653 resolved cases, 2023–2026

Rejection Statute Breakdown

9.4%
§101 Eligibility
22.9%
§102 Novelty
35.2%
§103 Obviousness
17.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
19024257 DISPLAY DEVICE ON/OFF DETECTION METHODS AND APPARATUS Non-Final OA The Nielsen Company (US), LLC
18808058 APPARATUS AND METHOD FOR HEAD-RELATED TRANSFER FUNCTION COMPRESSION Non-Final OA Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
18932276 SETTING SWEET SPOT FOR LISTENER OF STEREO AUDIO SOURCED FROM PLURAL AUDIO SOURCES Non-Final OA Sony Interactive Entertainment Inc.
18941333 METHOD, APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM FOR AUDIO PROCESSING Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
19031204 Multi-Channel Acoustic Echo Cancellation Non-Final OA Sonos, Inc.
18955821 VIBRATION DEVICE AND VIBRATION METHOD Non-Final OA AGC Inc.
18953704 ACOUSTIC PATH ANOMALY DETECTION FOR HEARING DEVICE ASSESSMENT Non-Final OA Starkey Laboratories, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month