Prosecution Insights
Last updated: October 02, 2026

Examiner: ZHANG, FAN

Tech Center 2600 • Art Units: 2625 2674 2682

This examiner grants 55% of resolved cases

Analysis

Fan Zhang is an examiner in Tech Center 2600 and Art Unit 2625. He has 608 resolved cases. The allowance rate for these cases is 55.3%. This percentage is a metric for practitioners to consider during prosecution. The interview lift is 16.2%. This lift shows the change in allowance probability when an interview occurs. The median days to allowance is 1201. This duration is the time for an allowed application.

With 608 resolved cases, the data provides a basis for strategy. The 16.2% interview lift is a metric for those seeking to change their results. Practitioners should factor the 1201-day timeline into their planning. The 55.3% allowance rate reflects the examiner's record in Tech Center 2600 and Art Unit 2625. The examiner's history shows a pattern of outcomes. Direct communication through the interview process is associated with the lift. The Art Unit environment is associated with these metrics. The duration of prosecution is a factor in strategy. The Tech Center context is relevant for understanding the trends.

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

Performance Statistics

55.3%
Allow Rate
-6.7% vs TC avg
641
Total Applications
+16.2%
Interview Lift
1201
Avg Prosecution Days
Based on 608 resolved cases, 2023–2026

Rejection Statute Breakdown

7.8%
§101 Eligibility
11.6%
§102 Novelty
70.8%
§103 Obviousness
2.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18501973 TECHNIQUES FOR UTILIZING GAIN MAPS TO MANAGE VARYING STATES OF AN IMAGE Final Rejection Apple Inc.
18611842 RELAY SERVER, PRINTING SYSTEM, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM Final Rejection SEIKO EPSON CORPORATION
18941938 INFORMATION PROCESSING SYSTEM, NON-TRANSITORY COMPUTER READABLE MEDIUM, AND INFORMATION PROCESSING METHOD Non-Final OA FUJIFILM Business Innovation Corp.
18651682 MERGER OF EMBEDDED FONTS IN ELECTRONIC FILES Final Rejection RICOH COMPANY, LTD.
18224932 Selecting a Printer Based on Proximity Final Rejection ZEBRA TECHNOLOGIES CORPORATION
18105476 Implant With Identification Feature For Medical Imaging Non-Final OA Stryker European Operations Limited
18209809 Machine Learning Fault Detection in Manufacturing Final Rejection Robert Bosch GmbH
18910075 NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM Non-Final OA CANON KABUSHIKI KAISHA
18910066 NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM, AND METHOD Non-Final OA CANON KABUSHIKI KAISHA
18905732 IMAGE FORMING APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM Non-Final OA CANON KABUSHIKI KAISHA
18903086 COMPUTER-READABLE MEDIUM AND CONTROL METHOD Non-Final OA CANON KABUSHIKI KAISHA
18794889 INSPECTION APPARATUS AND INSPECTION SYSTEM Non-Final OA CANON KABUSHIKI KAISHA
18677112 COMPUTER-READABLE STORAGE MEDIUM AND INFORMATION PROCESSING APPARATUS, AND SYSTEM Final Rejection CANON KABUSHIKI KAISHA
18338337 METHODS AND SYSTEMS FOR IMAGING Non-Final OA SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
18807053 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD Non-Final OA SHARP KABUSHIKI KAISHA
18963049 ELECTRONIC APPARATUS AND DATA STORAGE METHOD CAPABLE OF REDUCING THE NUMBER OF STORAGE PORTIONS CONNECTABLE TO LOGIC CIRCUIT Non-Final OA KYOCERA Document Solutions Inc.
18670930 JOB COMMAND GENERATION DEVICE, COMPUTER-READABLE NON-TRANSITORY RECORDING MEDIUM HAVING JOB COMMAND GENERATION PROGRAM STORED THEREIN, AND VOICE OPERATION SYSTEM Final Rejection KYOCERA Document Solutions Inc.
18651858 IMAGE FORMING APPARATUS THAT DECIDES IMAGE QUALITY Final Rejection KYOCERA Document Solutions Inc.
18603596 INDUSTRIAL PRINTING SYSTEM, PRINT SERVER, AND PROCESS MANAGEMENT METHOD THAT PERFORMS PEER-TO-PEER DISTRIBUTED PROCESSING OF PRODUCTION PRINTING BASED ON LICENSES ON AVAILABLE DATES AND TIMES Final Rejection KYOCERA Document Solutions Inc.
18255630 RADIOMICS STANDARDIZATION Non-Final OA THE JOHNS HOPKINS UNIVERSITY
17948409 METHOD FOR DETERMINING A DIAGNOSTICALLY RELEVANT SECTIONAL PLANE Final Rejection Siemens Healthcare GmbH
18339103 CONDITION MONITORING APPARATUS AND STORAGE MEDIUM Non-Final OA DENSO CORPORATION
18692552 METHOD AND DEVICE FOR MEASURING DEPTH INFORMATION RELATING TO A SCENE ON THE BASIS OF STRUCTURED LIGHT GENERATED BY MEANS OF AT LEAST ONE PARALLEL RADIATION SOURCE Non-Final OA OQMENTED GMBH

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