Prosecution Insights
Last updated: October 26, 2026

Liyuan Mou, USPTO Patent Examiner

Listed by the USPTO as MOU, LIYUAN

Tech Center 1600 • Art Units: 1624 1628 1629 1645

This examiner grants 44% of resolved cases

Analysis

MOU, LIYUAN handles applications in Tech Center 1600 and Art Unit 1624. The profile contains 121 resolved cases, with a 43.8% allowance rate and a median of 1131 days to allowance. Interviews correspond to a 59.9% lift in allowance outcomes, making examiner interaction a significant planning consideration.

Frequent applicants include Empathbio Inc., Board of Regents of the University of Texas System, and Arxada LLC. The leading firms are FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER, COOLEY LLP, and DORITY & MANNING, P.A. The positive interview association should be evaluated alongside the moderate allowance rate and extended median timeline.

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

Performance Statistics

43.8%
Allow Rate
-16.2% vs TC avg
211
Total Applications
+59.9%
Interview Lift
1131
Avg Prosecution Days
Based on 121 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
13.9%
§102 Novelty
35.9%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19219972 BUPROPION AS A MODULATOR OF DRUG ACTIVITY Non-Final OA ANTECIP BIOVENTURES II LLC
17284363 COMBINATION OF AN UROLITHIN WITH AN IMMUNOTHERAPY TREATMENT Non-Final OA Amazentis SA
17595446 DIETARY BUTYRATE AND ITS USES Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18679934 6-PYRIMIDIN-ISOINDOLE DERIVATIVE AS ERK1/2 INHIBITOR Non-Final OA OTSUKA PHARMACEUTICAL CO., LTD.
18699069 COMPOSITION CONTAINING SESAMIN AND ERGOTHIONEINE OR SALT THEREOF Non-Final OA SUNTORY HOLDINGS LIMITED
18576595 Antibacterial Compound Non-Final OA LG Chem, Ltd.

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Frequently Asked Questions

What is examiner Liyuan Mou's allowance rate?

43.8% of resolved applications examined by Liyuan Mou were allowed (121 resolved cases), compared with 54.6% across Art Unit 1624 over the last five years.

Does an interview help with examiner Liyuan Mou?

This examiner's interview lift is +59.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Liyuan Mou take to allow a patent?

Applications allowed by Liyuan Mou took 1,131 days on average from filing to allowance.

Which art unit does examiner Liyuan Mou work in?

Liyuan Mou examines applications in Art Unit 1624 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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