Prosecution Insights
Last updated: October 27, 2026

Jonathan S Lau, USPTO Patent Examiner

Listed by the USPTO as LAU, JONATHAN S

Tech Center 1700 • Art Units: 1623 1673 1693 1773 1793

This examiner grants 64% of resolved cases

Performance Statistics

63.9%
Allow Rate
-1.1% vs TC avg
1,102
Total Applications
-17.2%
Interview Lift
1105
Avg Prosecution Days
Based on 1060 resolved cases, 2023–2026

Rejection Statute Breakdown

3.1%
§101 Eligibility
17.7%
§102 Novelty
36.4%
§103 Obviousness
27.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18150553 Process for the preparation of oligonucleotides using modified oxidation protocol Final Rejection Hoffmann-La Roche Inc.
18570416 PROCESS FOR PREPARING POLYSACCHARIDE SULFATES, AND POLYSACCHARIDE SULFATE Non-Final OA FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
18699983 SHORT AMORPHOUS CELLULOSE POLYMERS Non-Final OA Katholieke Universiteit Leuven
17799992 PURIFICATION OF SACCHARIDES Final Rejection Pfizer Inc.
18726524 EXTERNAL-USE SKIN PREPARATION COMPOSITION Non-Final OA SHISEIDO COMPANY, LTD.
18379047 VIRAL INHIBITORS, THE SYNTHESIS THEREOF, AND INTERMEDIATES THERETO Non-Final OA Takeda Pharmaceutical Company Limited
18573684 METHODS FOR TREATING FACIOSCAPULOHUMERAL MUSCULAR DYSTROPHY (FSHD) Non-Final OA RESEARCH INSTITUTE AT NATIONWIDE CHILDREN'S HOSPITAL
18570344 METHOD FOR ISOLATING NON-VESICULAR MIRNA Non-Final OA QIAGEN GmbH

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Frequently Asked Questions

What is examiner Jonathan S Lau's allowance rate?

63.9% of resolved applications examined by Jonathan S Lau were allowed (1,060 resolved cases), compared with 51.3% across Art Unit 1623 over the last five years.

Does an interview help with examiner Jonathan S Lau?

This examiner's interview lift is -17.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Jonathan S Lau take to allow a patent?

Applications allowed by Jonathan S Lau took 1,105 days on average from filing to allowance.

Which art unit does examiner Jonathan S Lau work in?

Jonathan S Lau examines applications in Art Unit 1623 in Tech Center 1700 (Chemistry & Materials).

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