Prosecution Insights
Last updated: October 02, 2026

Examiner: ZHAO, LEI

Tech Center 2600 • Art Units: 2662 2668

This examiner grants 73% of resolved cases

Analysis

Lei Zhao is an examiner in Art Unit 2662, which falls under Tech Center 2600. The examiner has handled 75 resolved cases, a sample size that provides trends for applicants. The allowance rate of 73.3 percent indicates the outlook for applications. The median days to allowance is 1123, suggesting the duration of the prosecution period.

The interview lift of 17.7 percent is a factor for strategy. This percentage shows the benefit of direct engagement with the examiner compared to the 73.3 percent allowance rate. The 17.7 percent lift suggests that interviews are a tool for resolving issues in Art Unit 2662.

Applicants should prepare for a timeline of 1123 days based on the median data. Although the 75 resolved cases represent the examiner's history, the 17.7 percent lift provides a data-driven basis for prosecution decisions. The 1123-day median is the metric for estimating the duration of the process from filing to grant in Tech Center 2600.

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

Performance Statistics

73.3%
Allow Rate
+11.3% vs TC avg
94
Total Applications
+17.7%
Interview Lift
1123
Avg Prosecution Days
Based on 75 resolved cases, 2023–2026

Rejection Statute Breakdown

6.0%
§101 Eligibility
23.6%
§102 Novelty
67.9%
§103 Obviousness
2.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18537564 IMAGE PROCESSING APPARATUS Final Rejection SUBARU CORPORATION
18873376 OBJECT RECOGNITION SYSTEM, OBJECT RECOGNITION METHOD, AND RECORDING MEDIUM Non-Final OA NEC CORPORATION
18811007 MATCHING SUPPORT APPARATUS, MATCHING SUPPORT METHOD, AND COMPUTER-READABLE RECORDING MEDIUM Non-Final OA NEC Corporation
18188402 INFORMATION PROCESSING APPARATUS, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING INFORMATION PROCESSING PROGRAM, AND INFORMATION PROCESSING METHOD Non-Final OA FUJIFILM Business Innovation Corp.
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
18852309 DETECTING THE SURROUNDINGS OF AND TELE-OPERATED GUIDANCE OF AN EGO VEHICLE Non-Final OA VALEO SCHALTER UND SENSOREN GMBH
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
18873859 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM Non-Final OA SONY GROUP CORPORATION
18873861 TISSUE IMAGE ANALYSIS APPARATUS, TISSUE IMAGE ANALYSIS METHOD, AND PROGRAM Non-Final OA Hitachi, Ltd.
18584907 METHODS FOR DETERMINING IMAGE FILTERS FOR CLASSIFYING PARTICLES OF A SAMPLE AND SYSTEMS AND METHODS FOR USING SAME Final Rejection Becton, Dickinson and Company
18377812 TARGET TRACKING METHOD, DEVICE, MOVABLE PLATFORM AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA SZ DJI TECHNOLOGY CO., LTD.
18989973 ADVANCED MEASURING TOOL FOR FENESTRATION REPLACEMENTS AND INSTALLATION Non-Final OA Andersen Corporation
18980931 EYE MONITORING SYSTEM FOR VEHICLE Non-Final OA GM Global Technology Operations LLC

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