Prosecution Insights
Last updated: October 27, 2026

Daquan Zhao, USPTO Patent Examiner

Listed by the USPTO as ZHAO, DAQUAN

Tech Center 2600 • Art Units: 2484 2621

This examiner grants 77% of resolved cases

Analysis

ZHAO, DAQUAN has resolved 1054 cases in Tech Center 2600 and Art Unit 2484. The allowance rate is 77.3%, while the interview lift is 14.4%. The median time to allowance is 1009 days. The large record reports a high allowance rate, while the more limited interview association suggests that careful written claim development remains important.

The listed companies are Beijing Zitiao Network Technology Co., Ltd., Google LLC, and Fujifilm Corporation. The leading firms are Astute IP Law Group, FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER, and HG Law LLP (Adeia). These recurring participants offer practical reference points for prosecution in the art unit.

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

Performance Statistics

77.3%
Allow Rate
+15.3% vs TC avg
1,080
Total Applications
+14.4%
Interview Lift
1009
Avg Prosecution Days
Based on 1054 resolved cases, 2023–2026

Rejection Statute Breakdown

11.7%
§101 Eligibility
18.7%
§102 Novelty
46.7%
§103 Obviousness
13.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19243674 ACCESSORY INFORMATION GENERATION METHOD, IMAGING SYSTEM, AND ACCESSORY INFORMATION GENERATION PROGRAM Non-Final OA FUJIFILM Corporation
19261368 IMAGING DEVICE Final Rejection NIKON CORPORATION
19040544 SYSTEMS AND METHODS FOR DETECTING AND ANALYZING AUDIO IN A MEDIA PRESENTATION ENVIRONMENT TO DETERMINE WHETHER TO REPLAY A PORTION OF THE MEDIA Final Rejection Adeia Guides Inc.
18917843 SYSTEM AND METHOD FOR CLASSIFYING RECORDED CONTENT FOR DELETION Non-Final OA Adeia Guides Inc.
18361026 OBSCURING PERSONAL INFORMATION IN VIDEOS Non-Final OA International Business Machines Corporation
19072233 MODIFYING AND COLLABORATING WITH DIGITAL VIDEOS THROUGH INTERACTIONS WITH VIDEO TRANSCRIPTS Final Rejection Dropbox, Inc.
19257741 Video Surveillance System and Method for Cross-Verification of Events Non-Final OA Eagle Eye Networks, Inc.
19014069 INFORMATION HANDLING SYSTEM WITH A SECURE CAMERA FUNCTION Final Rejection DELL PRODUCTS L.P.
18545862 MULTIMEDIA INFORMATION PROCESSING METHOD, APPARATUS, ELECTRONIC DEVICE, AND MEDIUM Final Rejection Beijing Bytedance Network Technology Co., Ltd.

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Frequently Asked Questions

What is examiner Daquan Zhao's allowance rate?

77.3% of resolved applications examined by Daquan Zhao were allowed (1,054 resolved cases), compared with 65.7% across Art Unit 2484 over the last five years.

Does an interview help with examiner Daquan Zhao?

This examiner's interview lift is +14.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Daquan Zhao took 1,009 days on average from filing to allowance.

Which art unit does examiner Daquan Zhao work in?

Daquan Zhao examines applications in Art Unit 2484 in Tech Center 2600 (Communications).

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