Prosecution Insights
Last updated: October 25, 2026

Devin K Barnett, USPTO Patent Examiner

Listed by the USPTO as BARNETT, DEVIN K

Tech Center 3700 • Art Units: 3631 3637 3675 3762

This examiner grants 57% of resolved cases

Analysis

BARNETT, DEVIN K is assigned to Tech Center 3700 and Art Unit 3631. The record contains 762 resolved cases, with a 56.8% allowance rate and a 25.8% interview lift. This combination points to interviews as a potentially important tool for improving prosecution outcomes.

The median time to allowance is 828 days. The leading listed companies are Hangzhou Great Star Industrial Co., Ltd., Lyft Inc., and Karl Storz SE & Co. KG. The listed firms are FITCH EVEN TABIN & FLANNERY, LLP, Brooks Kushman P.C., and Jackson Intellectual Property Group PLLC.

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

Performance Statistics

56.8%
Allow Rate
-13.2% vs TC avg
783
Total Applications
+25.8%
Interview Lift
828
Avg Prosecution Days
Based on 762 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
21.1%
§102 Novelty
47.0%
§103 Obviousness
29.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18680214 EASY ACCESS SHELVING ASSEMBLY Non-Final OA Individual inventor
18651694 Power Tool Attachment Non-Final OA Individual inventor
19015366 DOCKING STATION FOR MICROMOBILITY TRANSIT VEHICLES Non-Final OA Lyft, Inc.
18868342 MEDICAL HOLDING ARM DEVICE Non-Final OA KARL STORZ SE & Co. KG
19291510 CLAMP ASSEMBLY USING PINS Non-Final OA PMC Industries, Inc.
19274302 SHELVING SYSTEM Non-Final OA HANGZHOU GREAT STAR INDUSTRIAL CO.,LTD.
19178590 HEIGHT ADJUSTABLE FURNITURE LEG Non-Final OA TUUCI WORLDWIDE, LLC
19176423 Storage Bin Insert Non-Final OA Cut It Out Scrapbook Supplies, Inc.
19072464 TRAVERSE FOR A SHELF WITH RECEIVING ELEMENTS FOR PANELS Final Rejection BITO-LAGERTECHNIK BITTMANN GMBH
19001047 SUPPORT BEAM AND SHELVING SYSTEM USING THE SAME Non-Final OA Kangyan Group
18434596 SUPPORT BEAM AND SHELVING SYSTEM USING THE SAME Final Rejection Kangyan Group
18923082 WALL MOUNT BAR ASSEMBLY Final Rejection LIBERTY HARDWARE MFG. CORP.

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Frequently Asked Questions

What is examiner Devin K Barnett's allowance rate?

56.8% of resolved applications examined by Devin K Barnett were allowed (762 resolved cases), compared with 56.0% across Art Unit 3631 over the last five years.

Does an interview help with examiner Devin K Barnett?

This examiner's interview lift is +25.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Devin K Barnett take to allow a patent?

Applications allowed by Devin K Barnett took 828 days on average from filing to allowance.

Which art unit does examiner Devin K Barnett work in?

Devin K Barnett examines applications in Art Unit 3631 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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