Prosecution Insights
Last updated: October 27, 2026

Lei Zhao, USPTO Patent Examiner

Listed by the USPTO as ZHAO, LEI

Tech Center 2600 • Art Units: 2662 2668

This examiner grants 74% of resolved cases

Analysis

ZHAO, LEI has resolved 76 cases in Tech Center 2600 and Art Unit 2662. The allowance rate is 73.7%, while the interview lift is 18.3%. The median time to allowance is 1123 days. The profile reports allowances in a clear majority of resolved cases, with interviews showing a smaller additional association.

The listed companies are Qualcomm Incorporated, Beijing Zitiao Network Technology Co., Ltd., and Sony Group Corporation. The leading firms are JCIPRNET, Astute IP Law Group, and Dinsmore & Shohl LLP - Qualcomm. These names give practitioners relevant examples of applicants and counsel active in the art unit.

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

Performance Statistics

73.7%
Allow Rate
+11.7% vs TC avg
104
Total Applications
+18.3%
Interview Lift
1123
Avg Prosecution Days
Based on 76 resolved cases, 2023–2026

Rejection Statute Breakdown

6.6%
§101 Eligibility
26.5%
§102 Novelty
64.1%
§103 Obviousness
2.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18723398 BLURRY VIDEO REPAIR METHOD AND APPARATUS Final Rejection Beijing Zitiao Network Technology Co., Ltd.
18873859 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM Non-Final OA SONY GROUP CORPORATION
18873376 OBJECT RECOGNITION SYSTEM, OBJECT RECOGNITION METHOD, AND RECORDING MEDIUM Non-Final OA NEC CORPORATION
18225296 THREE-DIMENSIONAL DATA ENCODING METHOD, THREE-DIMENSIONAL DATA DECODING METHOD, THREE-DIMENSIONAL DATA ENCODING DEVICE, AND THREE-DIMENSIONAL DATA DECODING DEVICE Final Rejection Panasonic Intellectual Property Corporation of America
18968379 ADAPTIVE CONFIDENCE THRESHOLDING WITH SALIENCY-DRIVEN REFINEMENT Non-Final OA QUALCOMM Incorporated
18585444 THREE-DIMENSIONAL (3D) OBJECT DETECTION BASED ON MULTIPLE TWO-DIMENSIONAL (2D) VIEWS CORRESPONDING TO DIFFERENT VIEWPOINTS Final Rejection QUALCOMM Incorporated
18950844 LANE DATA CONSTRUCTION APPARATUS AND METHOD THEREOF Non-Final OA Kia Corporation
18873861 TISSUE IMAGE ANALYSIS APPARATUS, TISSUE IMAGE ANALYSIS METHOD, AND PROGRAM Non-Final OA Hitachi, Ltd.
18377812 TARGET TRACKING METHOD, DEVICE, MOVABLE PLATFORM AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA SZ DJI TECHNOLOGY CO., LTD.
18188402 INFORMATION PROCESSING APPARATUS, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING INFORMATION PROCESSING PROGRAM, AND INFORMATION PROCESSING METHOD Non-Final OA FUJIFILM Business Innovation Corp.
18989973 ADVANCED MEASURING TOOL FOR FENESTRATION REPLACEMENTS AND INSTALLATION Non-Final OA Andersen Corporation

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Frequently Asked Questions

What is examiner Lei Zhao's allowance rate?

73.7% of resolved applications examined by Lei Zhao were allowed (76 resolved cases), compared with 70.1% across Art Unit 2662 over the last five years.

Does an interview help with examiner Lei Zhao?

This examiner's interview lift is +18.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lei Zhao take to allow a patent?

Applications allowed by Lei Zhao took 1,123 days on average from filing to allowance.

Which art unit does examiner Lei Zhao work in?

Lei Zhao examines applications in Art Unit 2662 in Tech Center 2600 (Communications).

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