Prosecution Insights
Last updated: October 26, 2026

Sean C Barron, USPTO Patent Examiner

Listed by the USPTO as BARRON, SEAN C

Tech Center 1700 • Art Units: 1637 1653 1759 1797 1798

This examiner grants 53% of resolved cases

Analysis

BARRON, SEAN C works in Tech Center 1700 and Art Unit 1637. Across 620 resolved cases, the allowance rate is 52.7%, and interviews show a 30.4% lift. The positive interview result supports using interviews to clarify claim scope and address objections.

The median time to allowance is 1322 days, so applicants should anticipate a lengthy prosecution path. The leading companies are Inguran LLC, The Trustees of the University of Pennsylvania, and Baylor College of Medicine. The listed firms are BakerHostetler, CANTOR COLBURN LLP, and HOWSON & HOWSON LLP.

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

Performance Statistics

52.7%
Allow Rate
-12.3% vs TC avg
724
Total Applications
+30.4%
Interview Lift
1322
Avg Prosecution Days
Based on 620 resolved cases, 2023–2026

Rejection Statute Breakdown

7.0%
§101 Eligibility
14.1%
§102 Novelty
44.9%
§103 Obviousness
24.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18334454 PERFUSION MEDIUM Final Rejection Boehringer Ingelheim International GmbH
16772865 A METHOD FOR STABILIZING CELL CULTURE SYSTEMS USING AN AMPHIPHILIC GRAFT COPOLYMER AS CELL CULTURE REAGENT Non-Final OA BASF SE
18315370 MICROFLUDIC LAB-ON-CHIP DEVICE, MATRIX, SMALL MOLECULES AND THREE-DIMENSIONAL SPHEROIDS FOR CELL REPROGRAMMING Non-Final OA The Regents of the University of California
18652720 CELL DISSOCIATION DEVICE AND METHOD Non-Final OA Bayer Aktiengesellschaft
17419274 CHEMICALLY PROGRAMMED NEUTROPHILS AND USES THEREOF Non-Final OA VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.
18849908 COATED ARTICLE FOR CULTURING PRIMARY CELLS AND STEM CELLS AND METHOD FOR PREPARING THE SAME Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
16634076 METHOD FOR ISOLATING EXTRACELLULAR VESICLE USING HYDROPHOBIC INTERACTION Final Rejection POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
18687608 COMPOSITIONS AND METHODS FOR CELL REPROGRAMMING Non-Final OA CORNELL UNIVERSITY
18687438 METHODS AND COMPOSITION FOR TREATING NEURODEGENERATIVE DISEASES Non-Final OA Case Western Reserve University
18717244 METHODS AND SYSTEMS FOR TRANSFECTING HOST CELLS Non-Final OA Biogen MA Inc.
18717354 METHOD FOR PRODUCING NEURAL CREST CELLS SPECIALIZED FOR DIFFERENTIATION INTO MESENCHYMAL LINEAGE Non-Final OA Kyoto University
17761879 Cell Culture Media Tablets and Methods of Manufacture Non-Final OA LIFE TECHNOLOGIES CORPORATION
17625665 COMPOSITIONS AND METHODS FOR CLEARING TISSUE Final Rejection The University of Hong Kong

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Frequently Asked Questions

What is examiner Sean C Barron's allowance rate?

52.7% of resolved applications examined by Sean C Barron were allowed (620 resolved cases), compared with 45.4% across Art Unit 1637 over the last five years.

Does an interview help with examiner Sean C Barron?

This examiner's interview lift is +30.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sean C Barron take to allow a patent?

Applications allowed by Sean C Barron took 1,322 days on average from filing to allowance.

Which art unit does examiner Sean C Barron work in?

Sean C Barron examines applications in Art Unit 1637 in Tech Center 1700 (Chemistry & Materials).

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