Prosecution Insights
Last updated: October 02, 2026

Examiner: HOLWERDA, STEPHEN

Tech Center 3600 • Art Units: 3656 3664

This examiner grants 73% of resolved cases

Analysis

Stephen Holwerda serves in Art Unit 3656 within Tech Center 3600. With 691 resolved cases, he maintains a substantial record of completed examinations. His allowance rate of 73.2 percent indicates a generally favorable environment for applicants seeking patent protection in this unit.

The effectiveness of interviews is particularly pronounced in his practice. He exhibits an interview lift of 19.8 percent, which implies that direct dialogue with the examiner is a highly effective tool for overcoming rejections. This statistic highlights the value of the interview process as a means to bridge gaps in understanding or resolve technical disputes compared to the 73.2 percent baseline.

Efficiency in the prosecution timeline is reflected in the median days to allowance, which is 1238. This duration is a vital data point for budgeting and strategic planning. Compared to other examiners with different pendency, this median suggests a relatively consistent pace toward resolution for the 691 cases handled in Tech Center 3600.

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

Performance Statistics

73.2%
Allow Rate
+21.2% vs TC avg
715
Total Applications
+19.8%
Interview Lift
1239
Avg Prosecution Days
Based on 691 resolved cases, 2023–2026

Rejection Statute Breakdown

5.1%
§101 Eligibility
25.1%
§102 Novelty
45.6%
§103 Obviousness
20.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18896677 USER INPUT FOR INTERACTING WITH DIFFERENT MAP DATA Non-Final OA Apple Inc.
19046739 DISPLAY CONTROL DEVICE, DISPLAY CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19019845 BATTERY TEMPERATURE ADJUSTMENT SYSTEM AND BATTERY TEMPERATURE ADJUSTMENT METHOD Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19199333 TRANSPORT ONBOARD SECURITY CHECK Non-Final OA TOYOTA MOTOR NORTH AMERICA, INC.
19056051 Stable Orientation Cues for Augmented Reality (AR) Non-Final OA Google LLC
19002183 UNDERSTANDING ROBOTIC TOUCH PARAMETERS THROUGH PARTICIPATORY EXPERIMENTS OF PHYSICAL HUMAN-ROBOT INTERACTIONS Non-Final OA Honda Motor Co., Ltd.
18711144 CONTROL OF ROBOTIC ENDOVASCULAR DEVICES WITH FLUOROSCOPIC FEEDBACK Final Rejection KONINKLIJKE PHILIPS N.V.
18512946 TECHNIQUES FOR ROUTE SELECTION Non-Final OA QUALCOMM Incorporated
18881498 METHOD FOR THE DYNAMIC DETECTION OF RATCHETING IN A COLLABORATIVE ROBOT BY MEANS OF ARTIFICIAL INTELLIGENCE AND DYNAMIC COMPENSATION OF THE TRAJECTORIES Non-Final OA Schaeffler Technologies AG & Co. KG
18836756 TEACHING OPERATION PANEL AND ROBOT CONTROL SYSTEM Non-Final OA FANUC CORPORATION
18555691 PROGRAMMING DEVICE AND PROGRAM Final Rejection FANUC CORPORATION
18342771 CONTROLLING MOVEMENT OF THIRD-PARTY ROBOTIC SYSTEMS ON AN INDUSTRIAL FLOOR WHILE EXECUTING A TRADE SECRET MANUFACTURING PROCESS Non-Final OA International Business Machines Corporation
18555767 AUTO-GENERATION OF PATH CONSTRAINTS FOR GRASP STABILITY Final Rejection Siemens Aktiengesellschaft
18702556 ROBOT DATA PROCESSING SERVER AND METHOD FOR CALCULATING TRAJECTORY DATA Non-Final OA KAWASAKI JUKOGYO KABUSHIKI KAISHA
18564757 SAIL-DRIVEN VEHICLE Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
19046737 AUTOMATICALLY NAVIGABLE VESSEL STEERING SYSTEM, METHOD FOR CONTROLLING VESSEL STEERING SYSTEM, AND MARINE VESSEL Final Rejection YAMAHA HATSUDOKI KABUSHIKI KAISHA
18507385 BOAT Final Rejection YAMAHA HATSUDOKI KABUSHIKI KAISHA
18926580 SYSTEMS AND METHODS FOR GRASPING OBJECTS WITH UNKNOWN OR UNCERTAIN EXTENTS USING A ROBOTIC MANIPULATOR Non-Final OA Boston Dynamics, Inc.
19046666 ASSISTANCE DEVICE, WORK MACHINE, AND ASSISTANCE SYSTEM Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.

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