Prosecution Insights
Last updated: October 26, 2026

Michael J Lau, USPTO Patent Examiner

Listed by the USPTO as LAU, MICHAEL J

Tech Center 3700 • Art Units: 3792 3796

This examiner grants 72% of resolved cases

Analysis

LAU, MICHAEL J is associated with Tech Center 3700 and art unit 3792. The record reports 325 resolved cases, an allowance rate of 72.3%, and a median of 1054 days to allowance. Interviews are associated with a 23.2% lift in the allowance rate. The figures provide a basis for planning response timing and evaluating whether an interview could support progress in a pending matter.

The listed companies are Intuitive Surgical Operations Inc., Shifamed Holdings LLC, and TC1 LLC. The listed firms are SHAY GLENN LLP, ALG Intellectual Property | ISRG, and ARENTFOX SCHIFF LLP. Their appearances identify counsel and applicants familiar with the docket. Practitioners can use that information to locate relevant experience, while applying the aggregate statistics cautiously and relying on the particular application record for claim and amendment decisions.

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

Performance Statistics

72.3%
Allow Rate
+2.3% vs TC avg
363
Total Applications
+23.2%
Interview Lift
1054
Avg Prosecution Days
Based on 325 resolved cases, 2023–2026

Rejection Statute Breakdown

12.5%
§101 Eligibility
5.3%
§102 Novelty
54.8%
§103 Obviousness
21.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18343465 Detecting Low Ejection Fraction using Photoplethysmography (PPG) Final Rejection Google LLC
18406765 LEFT ATRIAL APPENDAGE CLOSURE DEVICE WITH INTEGRATED FEATURES ENCOURAGING TISSUE INGROWTH Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
19015301 CAMERA CONTROL SYSTEMS AND METHODS FOR A COMPUTER-ASSISTED SURGICAL SYSTEM Non-Final OA Intuitive Surgical Operations, Inc.
18816668 Wrist Articulation by Linked Tension Members Non-Final OA Intuitive Surgical Operations, Inc.
18509843 METHOD AND SYSTEM FOR ON/OFF WEARING DETECTION OF AN ACCELEROMETER-BASED WEARABLE DEVICE Non-Final OA KONINKLIJKE PHILIPS N.V.
18926382 IMPLANTABLE EXTRAVASCULAR ELECTRICAL STIMULATION LEAD HAVING IMPROVED SENSING AND PACING CAPABILITY Non-Final OA Medtronic, Inc.

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Frequently Asked Questions

What is examiner Michael J Lau's allowance rate?

72.3% of resolved applications examined by Michael J Lau were allowed (325 resolved cases), compared with 66.7% across Art Unit 3792 over the last five years.

Does an interview help with examiner Michael J Lau?

This examiner's interview lift is +23.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael J Lau take to allow a patent?

Applications allowed by Michael J Lau took 1,054 days on average from filing to allowance.

Which art unit does examiner Michael J Lau work in?

Michael J Lau examines applications in Art Unit 3792 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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