Prosecution Insights
Last updated: October 26, 2026

Spencer D Patton, USPTO Patent Examiner

Listed by the USPTO as PATTON, SPENCER D

Tech Center 3600 • Art Units: 3656 3661 3664

This examiner grants 74% of resolved cases

Analysis

Patton, Spencer D is assigned to Tech Center 3600 and Art Unit 3656, with 596 resolved cases. The allowance rate is 74.2%, the interview lift is 21.1%, and the median time to allowance is 1142 days. The overall allowance measure is higher than the interview measure, but the positive lift supports using interviews to address focused claim or prior-art issues.

The principal companies are Volvo Group, Intuitive Surgical Operations Inc., and Sanctuary Cognitive Systems Corporation. The leading firms are DOWELL & DOWELL, P.C., HARNESS DICKEY (DETROIT), and Maschoff Brennan Gilmore Israelsen & Mauriel LLP. The case volume provides a useful basis for planning, while the median timing favors early issue identification and disciplined prosecution management.

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

Performance Statistics

74.2%
Allow Rate
+22.2% vs TC avg
622
Total Applications
+21.1%
Interview Lift
1142
Avg Prosecution Days
Based on 596 resolved cases, 2023–2026

Rejection Statute Breakdown

6.1%
§101 Eligibility
21.5%
§102 Novelty
47.5%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18796489 SYSTEM AND METHOD FOR INTER-ARM REGISTRATION Non-Final OA INTUITIVE SURGICAL OPERATIONS, INC.
18730008 DESIGNATION DEVICE, ROBOT SYSTEM, DESIGNATION METHOD, AND RECORDING MEDIUM Final Rejection NEC Corporation
19227735 PREPARING FOR A LIFT OPERATION OF A VEHICLE Final Rejection Volvo Truck Corporation
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.
19138061 APPARATUS AND METHODS FOR TRACKING FEATURES WITHIN IMAGES Non-Final OA QUALCOMM Incorporated
18929826 SELF-PROPELLED WORK ROBOT Non-Final OA DENSO CORPORATION
19028352 PERCEPTION-BASED PARKING ASSISTANCE FOR AUTONOMOUS MACHINE SYSTEMS AND APPLICATIONS Final Rejection NVIDIA Corporation

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Frequently Asked Questions

What is examiner Spencer D Patton's allowance rate?

74.2% of resolved applications examined by Spencer D Patton were allowed (596 resolved cases), compared with 66.7% across Art Unit 3656 over the last five years.

Does an interview help with examiner Spencer D Patton?

This examiner's interview lift is +21.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Spencer D Patton take to allow a patent?

Applications allowed by Spencer D Patton took 1,142 days on average from filing to allowance.

Which art unit does examiner Spencer D Patton work in?

Spencer D Patton examines applications in Art Unit 3656 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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