Prosecution Insights
Last updated: October 26, 2026

Hoi Ching Lau, USPTO Patent Examiner

Listed by the USPTO as LAU, HOI CHING

Tech Center 2800 • Art Units: 2612 2682 2685 2686 2689 2855

This examiner grants 75% of resolved cases

Analysis

LAU, HOI CHING is associated with Tech Center 2800 and art unit 2612. The profile contains 1089 resolved cases, an allowance rate of 74.6%, and a median of 890 days to allowance. Interviews are associated with a 15.7% lift in the allowance rate. The volume of resolved cases provides a substantial record for evaluating prosecution timing and response planning in this docket.

The listed companies are Toyota Motor Corporation, State Farm Mutual Automobile Insurance Company, and Honda Motor Co., Ltd. The listed firms are Brooks Kushman P.C., FISH & RICHARDSON P.C. (TC), and HODGSON RUSS LLP. These appearances identify applicants and counsel with relevant experience. Practitioners can use the information to support portfolio reviews and interview decisions, while treating the outcome measures as aggregate indicators rather than a forecast for an individual application.

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

Performance Statistics

74.6%
Allow Rate
+6.6% vs TC avg
1,112
Total Applications
+15.7%
Interview Lift
890
Avg Prosecution Days
Based on 1089 resolved cases, 2023–2026

Rejection Statute Breakdown

4.9%
§101 Eligibility
11.6%
§102 Novelty
54.8%
§103 Obviousness
18.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18524117 SYSTEMS AND METHODS FOR PROVIDING ASSISTANCE TO HEARING-IMPAIRED PEDESTRIANS Final Rejection Toyota Motor Engineering & Manufacturing North America, Inc.
18925350 METHODS OF FACILITATING EMERGENCY ASSISTANCE Final Rejection State Farm Mutual Automobile Insurance Company
18904181 DRIVING ASSISTANCE DEVICE, DRIVING ASSISTANCE METHOD, AND STORAGE MEDIUM Final Rejection HONDA MOTOR CO., LTD.
19059181 REDUCING VULNERABLE ROAD USER (VRU) MESSAGE OVERHEAD AND PRESENTATION COMPLEXITY Non-Final OA QUALCOMM Incorporated
18925847 VEHICLE MONITORING SYSTEM FOR PROVIDING ALERTS TO DRIVERS Final Rejection Uber Technologies, Inc.
18981334 MESSAGE AND WARNING DISPLAY SYSTEM FOR A VEHICLE Non-Final OA Torc Robotics, Inc.

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Frequently Asked Questions

What is examiner Hoi Ching Lau's allowance rate?

74.6% of resolved applications examined by Hoi Ching Lau were allowed (1,089 resolved cases), compared with 70.3% across Art Unit 2612 over the last five years.

Does an interview help with examiner Hoi Ching Lau?

This examiner's interview lift is +15.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hoi Ching Lau take to allow a patent?

Applications allowed by Hoi Ching Lau took 890 days on average from filing to allowance.

Which art unit does examiner Hoi Ching Lau work in?

Hoi Ching Lau examines applications in Art Unit 2612 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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