Prosecution Insights
Last updated: October 27, 2026

Yanxin Nmn Shen, USPTO Patent Examiner

Listed by the USPTO as SHEN, YANXIN NMN

Tech Center 1600 • Art Units: 1662 1663

This examiner grants 85% of resolved cases

Analysis

Yanxin NMN Shen is an examiner in Art Unit 1662 of Tech Center 1600. The examiner has 13 resolved cases and an 84.6 percent allowance rate. This 84.6 percent allowance rate is higher than the interview lift of 26.4 percent. The median time to allowance is 804 days.

The interview lift of 26.4 percent indicates the increase in allowance probability when an interview occurs. Practitioners can use the 804 median days to allowance to estimate the time required for a patent to issue. The 84.6 percent allowance rate reflects the examiner's historical tendency to grant applications in Art Unit 1662. These 13 resolved cases provide the data for Tech Center 1600.

Pairwise Plants Services Inc., Syngenta AG, and Inari Agriculture Technology Inc. are top companies. MYERS BIGEL, P.A., DENTONS US LLP, and FISH & RICHARDSON P.C. (TC) are the leading firms. These firms have managed cases within the 13 resolved cases and the 84.6 percent allowance rate.

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

Performance Statistics

84.6%
Allow Rate
+24.6% vs TC avg
53
Total Applications
+26.4%
Interview Lift
804
Avg Prosecution Days
Based on 13 resolved cases, 2023–2026

Rejection Statute Breakdown

5.0%
§101 Eligibility
19.3%
§102 Novelty
36.5%
§103 Obviousness
35.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18881874 GUIDE RNA TRAPPED GENOME EDITING Final Rejection PIONEER HI-BRED INTERNATIONAL, INC.
19476388 HERBICIDE RESISTANT PLANTS Non-Final OA SYNGENTA CROP PROTECTION AG
18845952 METHODS AND COMPOSITIONS FOR MODIFYING FLOWERING TIME GENES IN PLANTS Non-Final OA Syngenta Crop Protection AG
18724911 METHODS FOR IMPROVING PROTEIN DELIVERY TO PLANT CELLS BY BIOLISTICS Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
19163330 MOBILE GENOMIC EDITING REAGENTS AND METHODS FOR SCION EDITING Non-Final OA Inari Agriculture Technology, Inc.
18847439 MORPHOREGULATORS FOR REGENERATION OF MAIZE SOMATIC EMBRYOS Non-Final OA INARI AGRICULTURE TECHNOLOGY, INC.
18925427 HUMAN OSTEOPONTIN PROTEIN PRODUCTION IN PLANT SYSTEMS Non-Final OA THE REGENTS OF THE UNIVERSITY OF COLORADO A BODY CORPORATE
18989895 Markers for Soybean Peroxidase Final Rejection BASF Agricultural Solutions US LLC
19135838 REGENERATION BY PROTOPLAST CALLUS GRAFTING Non-Final OA KEYGENE N.V.

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Frequently Asked Questions

What is examiner Yanxin Nmn Shen's allowance rate?

84.6% of resolved applications examined by Yanxin Nmn Shen were allowed (13 resolved cases), compared with 63.0% across Art Unit 1662 over the last five years.

Does an interview help with examiner Yanxin Nmn Shen?

This examiner's interview lift is +26.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Yanxin Nmn Shen take to allow a patent?

Applications allowed by Yanxin Nmn Shen took 804 days on average from filing to allowance.

Which art unit does examiner Yanxin Nmn Shen work in?

Yanxin Nmn Shen examines applications in Art Unit 1662 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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