Prosecution Insights
Last updated: October 26, 2026

Xiang Yu, USPTO Patent Examiner

Listed by the USPTO as YU, XIANG

Tech Center 2400 • Art Units: 2445 2455 2458

This examiner grants 55% of resolved cases

Analysis

YU, XIANG is assigned to Tech Center 2400 and Art Unit 2445. The profile records 332 resolved cases and a 55.4% allowance rate. Interviews are associated with a 46.2% lift in allowance outcomes. The median time to allowance is 1593 days, so timing should be incorporated into filing, response, and continuation decisions.

The listed companies are Samsung Electronics Co., Ltd., Toyota Motor Corporation, and Netflix Inc. The listed firms are Artegis Law Group, LLP, SoraIP, Inc., and SUGHRUE MION, PLLC. The interview measure supports deliberate examiner engagement. The allowance result also makes precise claim differentiation and a complete written record important parts of the prosecution approach.

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

Performance Statistics

55.4%
Allow Rate
-2.6% vs TC avg
352
Total Applications
+46.2%
Interview Lift
1593
Avg Prosecution Days
Based on 332 resolved cases, 2023–2026

Rejection Statute Breakdown

6.8%
§101 Eligibility
26.0%
§102 Novelty
49.6%
§103 Obviousness
12.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18449345 DEVICE, METHOD, AND COMPUTER PROGRAM FOR PERFORMING ACTIONS ON IOT DEVICES Final Rejection SAMSUNG ELECTRONICS CO., LTD.
19076306 IN-VEHICLE NETWORK SYSTEM AND ELECTRONIC CONTROL UNIT Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19185119 MODIFICATION OF A SOCKET NETWORK NAMESPACE IN RESPONSE TO A SYSTEM CALL INTERCEPTION Non-Final OA NETFLIX, INC.

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Frequently Asked Questions

What is examiner Xiang Yu's allowance rate?

55.4% of resolved applications examined by Xiang Yu were allowed (332 resolved cases), compared with 69.5% across Art Unit 2445 over the last five years.

Does an interview help with examiner Xiang Yu?

This examiner's interview lift is +46.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Xiang Yu take to allow a patent?

Applications allowed by Xiang Yu took 1,593 days on average from filing to allowance.

Which art unit does examiner Xiang Yu work in?

Xiang Yu examines applications in Art Unit 2445 in Tech Center 2400 (Networking & Security).

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