Prosecution Insights
Last updated: October 26, 2026

Peter Xu, USPTO Patent Examiner

Listed by the USPTO as XU, PETER

Tech Center 3700 • Art Units: 2117 2119 2835 3723 3725 3753 3799

This examiner grants 50% of resolved cases

Analysis

XU, PETER is assigned to tech center 3700 and art unit 2117. The record contains 2 resolved cases, with a 50.0% allowance rate. The median time to allowance is 931 days, but the very limited record does not support broad conclusions about prosecution patterns.

The interview lift is 0.0%, so no interview-associated increase appears in the available data. The leading companies are FANUC Corporation, Hitachi Ltd., and Samsung Electronics Co., Ltd. The leading firms are SUGHRUE MION, PLLC, AMSTER, ROTHSTEIN & EBENSTEIN LLP, and Buchanan Ingersoll & Rooney PC.

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

Performance Statistics

50.0%
Allow Rate
-20.0% vs TC avg
47
Total Applications
+0.0%
Interview Lift
931
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

6.7%
§101 Eligibility
5.7%
§102 Novelty
60.0%
§103 Obviousness
24.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18533739 AIR CONDITIONER, APPARATUS FOR CONTROLLING THE SAME, METHOD FOR CONTROLLING THE SAME, AND COMPUTER-READABLE RECORDING MEDIUM Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18593672 ADAPTIVE MACHINING USING BUILD SURFACE TOPOLOGY FOR ADDITIVE MANUFACTURING SYSTEMS Final Rejection Rolls-Royce plc
18681440 METHODS FOR PREDICTING ENERGY LEVEL FOR AN ENERGY HARVESTING WIRELESS DEVICE, A RELATED NETWORK NODE AND A RELATED WIRELESS DEVICE Final Rejection Sony Group Corporation
18947432 OVERCURRENT PROTECTION CIRCUIT OF POWER SUPPLY SYSTEM AND APPARATUS Non-Final OA Huawei Digital Power Technologies Co., Ltd.
18567594 A METHOD OF COMMISSIONING PHYSICAL HVAC DEVICES OF AN HVAC SYSTEM FOR AN HVAC APPLICATION Non-Final OA BELIMO HOLDING AG
18845018 Method and Control System for a Technical Installation Non-Final OA Siemens Aktiengesellschaft
18934670 METHOD FOR CONTROLLING AIR CONDITIONER, AIR CONDITIONER, AND ELECTRONIC DEVICE Non-Final OA Beijing Xiaomi Mobile Software Co., Ltd.
18858011 COMPUTING DEVICE, MACHINE TOOL, CONTROL DEVICE FOR MACHINE TOOL, AND STORAGE MEDIUM Non-Final OA FANUC CORPORATION
18857981 COMPUTATION DEVICE, MACHINE TOOL, MACHINE TOOL CONTROL DEVICE, AND STORAGE MEDIUM Non-Final OA FANUC CORPORATION
18561409 CONTROL DEVICE FOR INDUSTRIAL MACHINE Non-Final OA Fanuc Corporation
18172607 PROGRAMMATIC DETERMINATION OF REINFORCEMENT MATERIAL FOR 3D PRINTING Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18857968 PRODUCTION MANAGEMENT DEVICE, PRODUCTION MANAGEMENT METHOD, AND PROGRAM Non-Final OA Hitachi, Ltd.
18694202 Support System and Support Method Final Rejection HITACHI, LTD.
18537996 REDUNDANT VALVE POSITION DETECTION SYSTEM Non-Final OA Honeywell International Inc.
18365482 CARRIER HEAD ACOUSTIC MONITORING WITH SENSOR IN PLATEN Final Rejection Applied Materials, Inc.

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Frequently Asked Questions

What is examiner Peter Xu's allowance rate?

50.0% of resolved applications examined by Peter Xu were allowed (2 resolved cases), compared with 59.5% across Art Unit 2117 over the last five years.

Does an interview help with examiner Peter Xu?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Peter Xu take to allow a patent?

Applications allowed by Peter Xu took 931 days on average from filing to allowance.

Which art unit does examiner Peter Xu work in?

Peter Xu examines applications in Art Unit 2117 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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