Prosecution Insights
Last updated: August 17, 2026

Examiner: CHOU, WILLIAM B

Tech Center 3700 • Art Units: 3779 3795

This examiner grants 73% of resolved cases

Performance Statistics

73.2%
Allow Rate
+3.2% vs TC avg
565
Total Applications
+21.2%
Interview Lift
1330
Avg Prosecution Days
Based on 542 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
21.0%
§102 Novelty
48.9%
§103 Obviousness
22.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19021807 ACTUATOR DEVICES AND SYSTEMS Non-Final OA Boston Scientific Scimed, Inc.
18314196 IMAGING SYSTEM FOR ENDOSCOPE Non-Final OA Boston Scientific Scimed, Inc.
17039173 DEVICES, SYSTEMS, AND METHODS FOR POSITIONING A MEDICAL DEVICE WITHIN A BODY LUMEN Final Rejection Boston Scientific Scimed, Inc.
18253840 SURGERY SYSTEM, SURGERY CONTROL DEVICE, CONTROL METHOD, AND PROGRAM Non-Final OA SONY GROUP CORPORATION
17811863 WIRELESS ENDOSCOPIC CAMERA WITH IMAGE COMPRESSION Final Rejection Stryker Corporation
17709001 SYSTEM AND METHOD FOR TISSUE CONTACT DETECTION AND FOR AUTO-EXPOSURE AND ILLUMINATION CONTROL Non-Final OA Intuitive Surgical Operations, Inc.
17468241 GUIDED SETUP FOR TELEOPERATED MEDICAL DEVICE Non-Final OA INTUITIVE SURGICAL OPERATIONS, INC.
18317929 ENDOSCOPE DEVICE Final Rejection FUJIFILM Corporation
16652968 STEERABLE CATHETER FLEXIBLE ROBOTIC SYSTEM FOR USE WITH ENDOSCOPES Non-Final OA The Regents of the University of California
18795216 ENDOSCOPIC TUBE SET Non-Final OA HUKUI BIOTECHNOLOGY CO., LTD.

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