Prosecution Insights
Last updated: October 02, 2026

Examiner: PATTON, SPENCER D

Tech Center 3600 • Art Units: 3656 3661 3664

This examiner grants 74% of resolved cases

Analysis

Spencer D. Patton is an examiner in Tech Center 3600 and Art Unit 3656. The examiner has 591 resolved cases and an allowance rate of 74.1%. This 74.1% rate provides a benchmark for the probability of success for applications in this unit. The median days to allowance is 1146, which serves as a metric for the typical length of the prosecution cycle. These 591 cases offer a reliable foundation for analyzing the examiner's performance.

The interview lift is 21.1%, indicating that direct communication with the examiner is a productive strategy. This 21.1% lift suggests that an interview can improve the chances of reaching an allowance from the 74.1% baseline. Practitioners should consider this as a tool for resolving issues and overcoming rejections. The 1146-day median pendency is a standard timeframe for Tech Center 3600. These metrics provide a clear picture of the examiner's disposition and the potential benefits of proactive engagement during the patent examination process.

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

Performance Statistics

74.1%
Allow Rate
+22.1% vs TC avg
617
Total Applications
+21.1%
Interview Lift
1146
Avg Prosecution Days
Based on 591 resolved cases, 2023–2026

Rejection Statute Breakdown

6.0%
§101 Eligibility
21.5%
§102 Novelty
47.5%
§103 Obviousness
19.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18730008 DESIGNATION DEVICE, ROBOT SYSTEM, DESIGNATION METHOD, AND RECORDING MEDIUM Final Rejection NEC Corporation
18796489 SYSTEM AND METHOD FOR INTER-ARM REGISTRATION Non-Final OA INTUITIVE SURGICAL OPERATIONS, INC.
18870963 ACTUATOR CAPABILITY-DRIVEN CONTROL ALLOCATION IN MULTI UNIT VEHICLE COMBINATIONS Final Rejection VOLVO TRUCK CORPORATION
19013474 LEARNING FROM DEMONSTRATION (LfD) VIA PHYSICAL HUMAN-ROBOT-HUMAN INTERACTIONS Final Rejection Honda Motor Co., Ltd.
18929826 SELF-PROPELLED WORK ROBOT Non-Final OA DENSO CORPORATION

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