Prosecution Insights
Last updated: October 26, 2026

Tian Nmn Yu, USPTO Patent Examiner

Listed by the USPTO as YU, TIAN NMN

Tech Center 1600 • Art Units: 1634 1637 1656 1681 1682 1699

This examiner grants 56% of resolved cases

Analysis

YU, TIAN NMN examines in Tech Center 1600, Art Unit 1634. The profile contains 90 resolved cases, with a 55.6% allowance rate. Interviews are associated with a 19.3% lift in allowance outcomes. The median days to allowance are 1395.

The listed companies are The Regents of the University of California, Bio-Rad Laboratories Inc., and Singular Genomics Systems Inc. The listed firms are HARNESS DICKEY (DETROIT), Sullivan & Worcester LLP, and Adler Pollock & Sheehan P.C. The limited record supports directional use of the figures. Practitioners may consider interviews, while maintaining detailed written support for claim distinctions.

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

Performance Statistics

55.6%
Allow Rate
-4.4% vs TC avg
159
Total Applications
+19.3%
Interview Lift
1395
Avg Prosecution Days
Based on 90 resolved cases, 2023–2026

Rejection Statute Breakdown

10.9%
§101 Eligibility
17.3%
§102 Novelty
31.1%
§103 Obviousness
31.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17928452 USE OF MICROVESICLE SIGNATURE FOR THE DIAGNOSIS AND TREATMENT OF KIDNEY TRANSPLANT REJECTION Non-Final OA The Brigham and Women's Hospital, Inc.
18038454 GRAPHENE-BASED BIOSENSOR AND DETECTION METHOD USING SAME Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
18677551 ANALYSIS METHOD Non-Final OA Denso Corporation
18718585 Single-Cell Epigenomic Profiling Using Droplet Fluidics and Hydrogels Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18169681 EFFICIENT SCREENING LIBRARY PREPARATION Non-Final OA The Regents of the University of California
17625687 LIPID-MODIFIED OLIGONUCLEOTIDES AND METHODS OF USING THE SAME Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17373653 cDNA SPIKE-IN CONTROL FOR SINGLE CELL ANALYSIS Non-Final OA Becton, Dickinson and Company
17651135 SINGLE TUBE PREPARATION OF DNA AND RNA FOR SEQUENCING Non-Final OA Roche Sequencing Solutions, Inc.
18528750 USING DEEP RNA SEQUENCING DATA TO IDENTIFY ANTIMICROBIAL-RESISTANT BACTERIA Final Rejection Rhode Island Hospital

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Frequently Asked Questions

What is examiner Tian Nmn Yu's allowance rate?

55.6% of resolved applications examined by Tian Nmn Yu were allowed (90 resolved cases), compared with 30.4% across Art Unit 1634 over the last five years.

Does an interview help with examiner Tian Nmn Yu?

This examiner's interview lift is +19.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tian Nmn Yu take to allow a patent?

Applications allowed by Tian Nmn Yu took 1,395 days on average from filing to allowance.

Which art unit does examiner Tian Nmn Yu work in?

Tian Nmn Yu examines applications in Art Unit 1634 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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