Prosecution Insights
Last updated: October 27, 2026

Phuong Hau Cai, USPTO Patent Examiner

Listed by the USPTO as CAI, PHUONG HAU

Tech Center 3600 • Art Units: 2663 2673 3685

This examiner grants 77% of resolved cases

Analysis

CAI, PHUONG HAU is assigned to USPTO Technology Center 3600 and art unit 2663. The profile includes 118 resolved cases and a 77.1% allowance rate. The median time to allowance is 1071 days, indicating that applicants should plan for an extended examination period despite the reported allowance result.

The reported interview lift is 25.8%, making interviews a useful component of a focused prosecution plan. Sony Group Corporation, Capital One Services LLC, and LG Electronics Inc. are the listed companies. CARTER, DELUCA & FARRELL LLP, Dickinson Wright PLLC - Washington DC, and FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER are the identified firms. The limited case volume supports application-specific analysis, with attention to technical claim clarity and amendment flexibility.

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

Performance Statistics

77.1%
Allow Rate
+25.1% vs TC avg
161
Total Applications
+25.8%
Interview Lift
1071
Avg Prosecution Days
Based on 118 resolved cases, 2023–2026

Rejection Statute Breakdown

23.1%
§101 Eligibility
23.4%
§102 Novelty
41.0%
§103 Obviousness
12.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18175741 AUGMENTED REALITY VERIFICATION OF DATA ASSOCIATED WITH AN OBJECT Final Rejection Capital One Services, LLC
18993867 TRANSMISSION DEVICE FOR POINT CLOUD DATA, METHOD PERFORMED BY TRANSMISSION DEVICE, RECEPTION DEVICE FOR POINT CLOUD DATA, AND METHOD PERFORMED BY RECEPTION DEVICE Non-Final OA LG Electronics Inc.
18972164 METHOD, APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM FOR CLASSIFYING MULTIMEDIA CONTENT Non-Final OA Beijing Zitiao Network Technology Co., Ltd.
18254702 SYSTEMS AND METHODS FOR CONCURRENT DEPTH REPRESENTATION AND INPAINTING OF IMAGES Non-Final OA GOOGLE LLC
18780668 APPARATUS AND METHOD OF VIDEO EDITING Final Rejection Sony Interactive Entertainment Inc.
18701305 INFORMATION PROCESSING DEVICE AND METHOD Final Rejection Sony Group Corporation
18284610 OBJECT DETECTION APPARATUS, OBJECT DETECTION SYSTEM, OBJECT DETECTION METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
18007143 Image Processing Method, Electronic Device, Image Processing System, and Chip System Final Rejection Huawei Technologies Co., Ltd.
18971502 ELECTRONIC DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18802820 THERMAL IMAGE-BASED TRACKING TO MATE CONNECTORS OF VEHICLES Final Rejection THE BOEING COMPANY
18427493 ANNOTATING IMAGES FOR TRAINING COMPUTER VISION MODELS Non-Final OA Microsoft Technology Licensing, LLC
18993914 IMAGE OUTPUT DEVICE AND IMAGE OUTPUT SYSTEM Non-Final OA FUJI CORPORATION
18993886 OBJECT CLASSIFICATION DEVICE, OBJECT CLASSIFICATION METHOD AND OBJECT CLASSIFICATION SYSTEM Non-Final OA Hitachi High-Tech Corporation
18971903 INTERACTION PROCESSING METHOD AND APPARATUS Non-Final OA Alipay (Hangzhou) Information Technology Co., Ltd.
18736475 IMAGE PROCESSING APPARATUS, OPERATION METHOD OF IMAGE PROCESSING APPARATUS, PROGRAM, AND MEDICAL IMAGE PROCESSING SYSTEM Final Rejection FUJIFILM Healthcare Corporation
18375881 DEMAND DETECTION BASED ON QUERY IMAGES Non-Final OA Adobe Inc.
18689274 INFORMATION PROCESSING DEVICE, CONTROL METHOD, PROGRAM, AND STORAGE MEDIUM Non-Final OA PIONEER SMART SENSING INNOVATIONS CORPORATION
18414942 Method of Dispositioning and Control of a Semiconductor Manufacturing Process Final Rejection Fractilia, LLC

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Frequently Asked Questions

What is examiner Phuong Hau Cai's allowance rate?

77.1% of resolved applications examined by Phuong Hau Cai were allowed (118 resolved cases), compared with 63.1% across Art Unit 2663 over the last five years.

Does an interview help with examiner Phuong Hau Cai?

This examiner's interview lift is +25.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Phuong Hau Cai take to allow a patent?

Applications allowed by Phuong Hau Cai took 1,071 days on average from filing to allowance.

Which art unit does examiner Phuong Hau Cai work in?

Phuong Hau Cai examines applications in Art Unit 2663 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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