Prosecution Insights
Last updated: October 02, 2026

Examiner: TURCHEN, JAMES R

Tech Center 4100 • Art Units: 2139 2431 2439 4100

This examiner grants 82% of resolved cases

Analysis

James R Turchen has handled 652 resolved cases in Art Unit 2139. The allowance rate is 82.4 percent. The interview lift is 33.6 percent, which is a high value indicating that interviews are extremely effective. This 33.6 percent lift is a critical insight, as it significantly enhances the already high 82.4 percent allowance rate. Practitioners should strongly consider an interview as a primary tactic in Tech Center 4100.

The median days to allowance is 1123. The 1123-day median provides a clear benchmark for the expected duration of the prosecution process. With 652 resolved cases, the examiner's history shows a very positive impact from direct examiner engagement. The 82.4 percent allowance rate suggests a favorable environment for most applicants. However, the 33.6 percent lift from interviews is the most notable factor for improving the speed and likelihood of success. Strategy should prioritize verbal communication to capitalize on this advantage.

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

Performance Statistics

82.4%
Allow Rate
+22.4% vs TC avg
669
Total Applications
+33.6%
Interview Lift
1123
Avg Prosecution Days
Based on 652 resolved cases, 2023–2026

Rejection Statute Breakdown

10.5%
§101 Eligibility
23.4%
§102 Novelty
49.9%
§103 Obviousness
10.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18897062 SYSTEM AND METHOD FOR AUTHORIZING DATA TRANSFERS Non-Final OA The Toronto-Dominion Bank
19039526 EFFICIENT GENERATION OF DIFFERENTIAL PRIVACY NOISE Non-Final OA Google LLC
19208114 INFORMATION PROCESSING DEVICE AND METHOD FOR MANAGING HISTORY INFORMATION OF INFORMATION PROCESSING DEVICE Non-Final OA SHARP KABUSHIKI KAISHA
17643360 AUTO-PAIRING ROTATION VECTOR Final Rejection QUALCOMM Incorporated
18824177 METHOD AND SYSTEM FOR PROCESSING ACTION DATA Final Rejection Visa International Service Association
18860113 SWITCH Non-Final OA Nippon Telegraph and Telephone Corporation
18687524 Method for Communicating by Means of a Multi-Antenna Arrangement Designed for Directional Transmission, and Communication Device Non-Final OA Siemens Aktiengesellschaft
18747252 NETWORK DEVICES ASSISTED BY MACHINE LEARNING Final Rejection Mellanox Technologies, Ltd.
19067419 DETECTING SYNTHETIC USER ACCOUNTS USING SYNTHETIC PATTERNS LEARNED VIA MACHINE LEARNING Non-Final OA Chime Financial, Inc.

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