Prosecution Insights
Last updated: October 26, 2026

Satyendra K Singh, USPTO Patent Examiner

Listed by the USPTO as SINGH, SATYENDRA K

Tech Center 1600 • Art Units: 1611 1653 1657

This examiner grants 62% of resolved cases

Analysis

SINGH, SATYENDRA K works in Tech Center 1600 and art unit 1611. The profile covers 671 resolved cases, with an allowance rate of 61.5%. Interview activity shows a 67.9% lift, which exceeds the allowance rate and makes interview preparation a notable part of a prosecution plan. The median time to allowance is 1267 days, so applicants may benefit from addressing substantive issues without relying only on serial written amendments.

The listed companies are Armata Pharmaceuticals, Inc., Quest Diagnostics Investments Incorporated, and The University of North Carolina at Chapel Hill. The listed firms are NIXON & VANDERHYE, PC, SALIWANCHIK, LLOYD & EISENSCHENK, and Troutman Pepper Locke LLP. These names provide a useful reference set for matters prosecuted in the same examination environment.

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

Performance Statistics

61.5%
Allow Rate
+1.5% vs TC avg
708
Total Applications
+67.9%
Interview Lift
1267
Avg Prosecution Days
Based on 671 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
9.8%
§102 Novelty
46.3%
§103 Obviousness
13.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18322823 D-beta-HYDROXYBUTYRATE DEHYDROGENASES (BHBDhs) AND THEIR USE FOR KETONE MONITORING Non-Final OA The University of North Carolina at Chapel Hill
18977262 CONTROLLED OUTGASSING OF HYPERBARICALLY LOADED MATERIALS FOR THE DELIVERY OF OXYGEN AND OTHER THERAPEUTIC GASES IN BIOMEDICAL APPLICATIONS Non-Final OA The Johns Hopkins University
17761594 COMPOSITIONS AND METHODS FOR MICROBIOME MODULATION Final Rejection Washington University
17924963 COMPOSITIONS AND METHODS FOR INDUCING IMMUNE RESPONSES AGAINST CLASS I FUSION PROTEIN VIRUSES Final Rejection Virginia Tech Intellectual Properties, Inc.
18973575 NEW SIALYLTRANSFERASES FOR IN VIVO SYNTHESIS OF 3'SL Non-Final OA DSM IP Assets B.V.
18339183 MESOPOROUS SILICA BINDING PEPTIDES AND METHODS OF ENZYME IMMOBILIZATION USING THE SAME Final Rejection ARCHER DANIELS MIDLAND COMPANY
18569377 ENZYME AGENT CONTAINING TRANSGLUTAMINASE AND USE THEREOF Non-Final OA AMANO ENZYME INC.

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Frequently Asked Questions

What is examiner Satyendra K Singh's allowance rate?

61.5% of resolved applications examined by Satyendra K Singh were allowed (671 resolved cases), compared with 35.0% across Art Unit 1611 over the last five years.

Does an interview help with examiner Satyendra K Singh?

This examiner's interview lift is +67.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Satyendra K Singh take to allow a patent?

Applications allowed by Satyendra K Singh took 1,267 days on average from filing to allowance.

Which art unit does examiner Satyendra K Singh work in?

Satyendra K Singh examines applications in Art Unit 1611 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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