Prosecution Insights
Last updated: October 02, 2026

Examiner: CAI, PHUONG HAU

Tech Center 3600 • Art Units: 2663 2673 3685

This examiner grants 77% of resolved cases

Analysis

Phuong Hau Cai works in Tech Center 3600 and Art Unit 2663. The examiner has 117 resolved cases and an allowance rate of 76.9 percent. This rate shows the proportion of applications that result in a patent grant. The 117 resolved cases provide a sample for analyzing the examiner's historical performance.

The data includes an interview lift of 26.4 percent. This metric indicates the increase in the probability of receiving an allowance when an interview is conducted with the examiner. The median days to allowance is 1068, which is the middle duration for the period between the filing date and the issuance of a patent for applications that reach allowance.

Practitioners can evaluate the 76.9 percent allowance rate and the 26.4 percent interview lift to inform their strategy in Art Unit 2663. The 1068 median days to allowance offers a measure of the expected time to grant. These figures, based on 117 resolved cases, summarize the prosecution experience with Phuong Hau Cai.

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

Performance Statistics

76.9%
Allow Rate
+24.9% vs TC avg
150
Total Applications
+26.4%
Interview Lift
1068
Avg Prosecution Days
Based on 117 resolved cases, 2023–2026

Rejection Statute Breakdown

22.3%
§101 Eligibility
23.3%
§102 Novelty
42.6%
§103 Obviousness
11.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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.
18107248 CLOTHING TREATMENT SYSTEM AND CLOTHING TREATMENT DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17951826 SYSTEMS AND METHODS FOR MAPPING AN ENVIRONMENT AND LOCATING OBJECTS Final Rejection Apple Inc.
18284610 OBJECT DETECTION APPARATUS, OBJECT DETECTION SYSTEM, OBJECT DETECTION METHOD, AND RECORDING MEDIUM Non-Final OA NEC Corporation
18971502 ELECTRONIC DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18007143 Image Processing Method, Electronic Device, Image Processing System, and Chip System Final Rejection Huawei Technologies Co., Ltd.
18427493 ANNOTATING IMAGES FOR TRAINING COMPUTER VISION MODELS Non-Final OA Microsoft Technology Licensing, LLC
18934024 METHOD AND APPARATUS WITH IMAGE ENHANCEMENT USING BASE IMAGE Non-Final OA POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
18956508 CONTROLLABLE IMAGE SYNTHESIS USING EDITABLE IMAGE ELEMENTS Non-Final OA ADOBE INC.
18971903 INTERACTION PROCESSING METHOD AND APPARATUS Non-Final OA Alipay (Hangzhou) Information Technology Co., Ltd.
18220330 OBJECT EMBEDDING LEARNING Non-Final OA ObjectVideo Labs, LLC
18272916 EXTRACTING FEATURES FROM SENSOR DATA Non-Final OA Five AI Limited
18165022 METHOD AND SYSTEM FOR EVALUATING PERFORMANCE OF IMAGE TAGGING MODEL Non-Final OA NAVER CORPORATION
18915410 IMAGE-BASED OBJECT DETECTION TECHNIQUES FOR HIGH-SPEED COUNTING ENVIRONMENTS Non-Final OA Optum, Inc.
18944810 DEVICE, ARRANGEMENT AND METHOD FOR CALIBRATING A DIGITAL CAMERA OF AN IMAGE PROCESSING SYSTEM Non-Final OA B&R Industrial Automation GmbH

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