Prosecution Insights
Last updated: October 02, 2026

Examiner: MAEWALL, SNIGDHA

Tech Center 1600 • Art Units: 1612

This examiner grants 59% of resolved cases

Analysis

Snigdha Maewall serves as an examiner in Tech Center 1600 and Art Unit 1612. The examiner has 1072 resolved cases on record. The allowance rate for these 1072 resolved cases is 58.8 percent. This 58.8 percent rate suggests a moderate likelihood of success for patent applications in Art Unit 1612. The median days to allowance for this examiner is 1236, which is the typical time for reaching a grant.

The interview lift is 10.5 percent. This 10.5 percent lift indicates that conducting an interview provides a positive increase in the probability of allowance. For practitioners, this lift suggests that direct communication with the examiner in Tech Center 1600 can be a helpful step in the prosecution process. The 1236 median days to allowance helps applicants plan their timelines effectively.

With 1072 resolved cases, the data provides a solid foundation for predicting future outcomes. The 58.8 percent allowance rate and the 10.5 percent interview lift are key indicators for practitioners. Using the 1236-day median, applicants can set realistic expectations for the time required to secure a patent. These figures offer a comprehensive view of the examiner's performance in Art Unit 1612.

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

Performance Statistics

58.8%
Allow Rate
-1.2% vs TC avg
1,124
Total Applications
+10.5%
Interview Lift
1236
Avg Prosecution Days
Based on 1072 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
8.5%
§102 Novelty
52.2%
§103 Obviousness
18.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18848724 BIODEGRADABLE FLATTENED PARTICLES, COSMETICS COMPOSITION AND METHOD FOR PRODUCING BIODEGRADABLE FLATTENED PARTICLES Non-Final OA DAICEL CORPORATION
17651205 METAL ORGANIC FRAMEWORKS COMPRISING COPPER IONS AND PROCESSES FOR PREPARING SAME Final Rejection IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
17428617 ANTIOXIDANT-RELEASING VITREOUS SUBSTITUTES AND USES THEREOF Non-Final OA Ohio State Innovation Foundation
18257187 PROCESS FOR PREPARING MICROCAPSULES Final Rejection SYNGENTA CROP PROTECTION AG
18251816 AGROCHEMICAL COMPOSITION WITH IMPROVED DRIFT, SPREADING AND RAINFASTNESS PROPERTIES Final Rejection Bayer Aktiengesellschaft
17310754 METHODS AND COMPOSITIONS FOR REPELLING BIRDS IN CROP PLANTS Final Rejection Bayer Aktiengesellschaft
18269626 Antiviral formulation, antiviral filtering material, methods of preparation thereof and antiviral face mask Non-Final OA ArcelorMittal
18642226 LIGNIN-CONTAINING NANOCELLULOSE AND AG-AU-AG-CL NANOHYBRID AND GREEN FORMATION METHOD Non-Final OA The Curators of the University of Missouri
18293734 IDENTIFICATION OF PRO- AND ANTI-INFLAMMATORY LIPIDS RELATING TO IMMUNE RESPONSE TO MEDICAL IMPLANTS Non-Final OA William Marsh Rice University
18934025 Process For Whitening Teeth And Composition and Kit Therefor Non-Final OA Colgate-Palmolive Company
19023761 HYPERBRANCHED POLYGLYCEROL-COATED PARTICLES AND METHODS OF MAKING AND USING THEREOF Non-Final OA Yale University
18891496 Solid Binding Composition for Toxin Excretion Enhancement Non-Final OA Quicksilver Scientific, Inc.
18852338 COSMETIC Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18578443 HYDRATABLE CONCENTRATED SURFACTANT COMPOSITIONS Final Rejection Conopco, Inc., d/b/a UNILEVER
18294226 Sustained-Release Vaginal Films Non-Final OA University of Pittsburgh-Of the Commonwealth System of Higher Education
18768004 MANUFACTURING METHOD FOR SOLID PERSONAL CARE PRODUCT Non-Final OA Kao Corporation
18696415 PERSONAL CARE COMPOSITION AND PERSONAL CARE PRODUCT Non-Final OA Edgewell Personal Care Brands, LLC
18223070 A SODIUM ALGINATE, GELATIN, COLLAGEN AND FIBRIN (AGCF) BASED BIO-INK FOR THE BIOPRINTING OF A 3D BIOGEL-BASED TISSUE/STRUCTURE Non-Final OA THE STATE OF ISRAEL, MINISTRY OF AGRICULTURE & RURAL DEVELOPMENT, AGRICULTURAL
18252017 A FORMULATION AND A METHOD FOR INDUCING DEFENSE RESPONSE IN PLANTS Non-Final OA NATIONAL INSTITUTE OF PLANT GENOME RESEARCH
18027796 ANTIMICROBIAL AQUEOUS COATINGS AND SEALANTS Non-Final OA BMG ( BRITISH MEDICAL GROUP) LIMITED

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