Prosecution Insights
Last updated: October 26, 2026

Snigdha Maewall, USPTO Patent Examiner

Listed by the USPTO as MAEWALL, SNIGDHA

Tech Center 1600 • Art Units: 1612

This examiner grants 59% of resolved cases

Performance Statistics

58.8%
Allow Rate
-1.2% vs TC avg
1,133
Total Applications
+10.5%
Interview Lift
1236
Avg Prosecution Days
Based on 1072 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
8.6%
§102 Novelty
52.0%
§103 Obviousness
18.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
18852338 COSMETIC Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18269626 Antiviral formulation, antiviral filtering material, methods of preparation thereof and antiviral face mask Non-Final OA ArcelorMittal
18578443 HYDRATABLE CONCENTRATED SURFACTANT COMPOSITIONS Final Rejection Conopco, Inc., d/b/a UNILEVER

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Frequently Asked Questions

What is examiner Snigdha Maewall's allowance rate?

58.8% of resolved applications examined by Snigdha Maewall were allowed (1,072 resolved cases), compared with 40.7% across Art Unit 1612 over the last five years.

Does an interview help with examiner Snigdha Maewall?

This examiner's interview lift is +10.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Snigdha Maewall take to allow a patent?

Applications allowed by Snigdha Maewall took 1,236 days on average from filing to allowance.

Which art unit does examiner Snigdha Maewall work in?

Snigdha Maewall examines applications in Art Unit 1612 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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