Prosecution Insights
Last updated: October 26, 2026

Synphane La'Shawn Shelton, USPTO Patent Examiner

Listed by the USPTO as SHELTON, SYNPHANE LA'SHAWN

Tech Center 4100 • Art Units: 1600 1621 1634 1651 1652 1699 4100

This examiner grants 100% of resolved cases

Analysis

SHELTON, SYNPHANE LA'SHAWN is assigned to tech center 4100 and art unit 1600. The profile records 2 resolved cases, a 100.0% allowance rate, and a median of 1272 days to allowance. The interview lift is 0.0%, so the reported cases do not show an allowance difference associated with interviews.

The leading companies are The Regents of the University of California, Samsung Electronics Co., Ltd., and Fujifilm Corporation. Listed firms include CANTOR COLBURN LLP, BANNER & WITCOFF, LTD., and BIRCH STEWART KOLASCH & BIRCH, LLP. The extremely limited case history makes the figures preliminary. Practitioners should rely primarily on the application record and use the profile only as a narrow planning signal.

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

Performance Statistics

100.0%
Allow Rate
+40.0% vs TC avg
37
Total Applications
+0.0%
Interview Lift
1272
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

3.4%
§101 Eligibility
17.0%
§102 Novelty
32.2%
§103 Obviousness
35.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18902346 ACTIVITY MEASUREMENT METHOD OF LYSOPHOSPHOLIPASE D, SENSITIVITY IMPROVER FOR ACTIVITY MEASUREMENT OF LYSOPHOSPHOLIPASE D, COMPOSITION, AND KIT Non-Final OA FUJIFILM Corporation
18937353 POLYVINYLALCOHOL CARRIER ON WHICH DENITRIFYING MICROORGANISM AND BIOFILM-FORMING MICROORGANISM ARE IMMOBILIZED, METHOD OF REMOVING OR REDUCING NITRIC OXIDE IN SAMPLE BY USING THE SAME, AND METHOD OF PREPARING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18855903 ALCOHOL ACYLTRANSFERASE AND A TRANSGENIC CELL, TISSUE, AND ORGANISM COMPRISING SAME Non-Final OA YEDA RESEARCH AND DEVELOPMENT CO. LTD.
18258643 COMPOSITION FOR PREVENTING OR TREATING BRAIN TUMOR IN HIGH-GLUCOSE ENVIRONMENT Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18294327 NOVEL PRODUCTION OF AROMA COMPOUNDS WITH IONYLIDENEETHANE SYNTHASES Non-Final OA BASF SE
18766067 Compositions, Systems, and Methods for Performing a Mannich Cyclization Reaction Non-Final OA The Regents of the University of California
18559983 COMB POLYELECTROLYTE STABILIZED COMPLEX COACERVATE EMULSIONS Non-Final OA The Regents of the University of California

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Frequently Asked Questions

What is examiner Synphane La'Shawn Shelton's allowance rate?

100.0% of resolved applications examined by Synphane La'Shawn Shelton were allowed (2 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Synphane La'Shawn Shelton?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Synphane La'Shawn Shelton take to allow a patent?

Applications allowed by Synphane La'Shawn Shelton took 1,272 days on average from filing to allowance.

Which art unit does examiner Synphane La'Shawn Shelton work in?

Synphane La'Shawn Shelton examines applications in Art Unit 1600 in Tech Center 4100.

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