Prosecution Insights
Last updated: October 02, 2026

Examiner: SINGH, SATYENDRA K

Tech Center 1600 • Art Units: 1611 1653 1657

This examiner grants 62% of resolved cases

Analysis

Satyendra K Singh serves in Art Unit 1611 under Tech Center 1600. With 667 resolved cases, the examiner has an allowance rate of 61.5%. This indicates that many applications in this docket result in a grant. The interview lift of 67.7% is remarkably high, suggesting that interviews are a critical component of a successful prosecution strategy. The median time to allowance is 1266 days.

Practitioners should prioritize interviews to navigate the 1266-day timeline effectively in Art Unit 1611. The 67.7% interview lift is one of the most significant metrics for this examiner. Across 667 resolved cases, the examiner has demonstrated that verbal advocacy is highly effective in Tech Center 1600. Strategy should focus on using the 67.7% lift to improve the 61.5% baseline grant probability. The 1266-day median pendency should be factored into all long-term planning.

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
697
Total Applications
+67.7%
Interview Lift
1266
Avg Prosecution Days
Based on 667 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
9.6%
§102 Novelty
46.6%
§103 Obviousness
13.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18884490 MASS SPECTROMETRY METHOD FOR MEASURING THIAMINE IN BODY FLUID Non-Final OA Quest Diagnostics Investments Incorporated
18322823 D-beta-HYDROXYBUTYRATE DEHYDROGENASES (BHBDhs) AND THEIR USE FOR KETONE MONITORING Non-Final OA The University of North Carolina at Chapel Hill
17296012 HIGH COMPLEXITY SYNTHETIC GUT BACTERIAL COMMUNITIES Final Rejection The Board of Trustees of the Leland Stanford Junior University
17761594 COMPOSITIONS AND METHODS FOR MICROBIOME MODULATION Final Rejection Washington University
18942224 ASPARAGINE FEED STRATEGIES TO IMPROVE CELL CULTURE PERFORMANCE AND MITIGATE ASPARAGINE SEQUENCE VARIANTS Non-Final OA Regeneron Pharmaceuticals, Inc.
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.
18941592 PROCESSES AND SYSTEMS FOR BIOLOGICAL HYDROGEN PRODUCTION FROM ORGANIC WASTE USING YEAST Non-Final OA Purdue Research Foundation
18567686 Compositions and Methods for Improving the Rainfastness of Proteins on Plant Surfaces Non-Final OA NOVOZYMES BIOAG A/S
18712705 PROCESS FOR PRODUCING TAURINE Non-Final OA WACKER CHEMIE AG
18580585 FORMATE DEHYDROGENASE VARIANTS AND METHODS OF USE Non-Final OA Genomatica, Inc.
18713132 ENGINEERED SESQUITERPENE SYNTHASES Non-Final OA Givaudan SA

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