Prosecution Insights
Last updated: October 26, 2026

Devang R Patel, USPTO Patent Examiner

Listed by the USPTO as PATEL, DEVANG R

Tech Center 2800 • Art Units: 1735 1784 1793 2893

This examiner grants 66% of resolved cases

Analysis

PATEL, DEVANG R is assigned to tech center 2800 and art unit 1735. He has 1,048 resolved cases, a 65.6% allowance rate, and a 1,048-day median time to allowance. The interview lift is 39.0%, providing a substantial positive signal for interview-based prosecution activity.

The listed companies are JFE Steel Corporation, Illinois Tool Works Inc., and Senju Metal Industry Co., Ltd. The listed firms are OLIFF PLC, HARNESS DICKEY (DETROIT), and MERCHANT & GOULD P.C. The record suggests that well-prepared interviews may be particularly useful, but the allowance rate still calls for detailed claim drafting and response planning across the recorded timeline.

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

Performance Statistics

65.6%
Allow Rate
-2.4% vs TC avg
1,114
Total Applications
+39.0%
Interview Lift
1048
Avg Prosecution Days
Based on 1048 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
17.1%
§102 Novelty
56.5%
§103 Obviousness
23.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18453951 METHOD OF BONDING CHIPS AND A SYSTEM FOR PERFORMING THE METHOD Final Rejection CANON KABUSHIKI KAISHA
19539006 AUTOMATIC HORIZONTAL AND VERTICAL BUTT WELDING APPARATUS AND METHOD THEREOF FOR EXPANDABLE PROFILE LINERS Non-Final OA SHENZHEN UNIVERSITY
19208173 GAS CONTROL SYSTEM AND METHOD FOR A REFLOW SOLDERING FURNACE Final Rejection Illinois Tool Works Inc.
18382158 Ultrasonic Weld Pad Final Rejection Illinois Tool Works Inc.
17350724 SOLDERING NOZZLE, SYSTEM AND USE Non-Final OA Illinois Tool Works Inc.
18082711 METHOD FOR ASSEMBLING A ZIRCONIA PART TO A TITANIUM ELEMENT Non-Final OA CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
19486745 METHOD AND SYSTEM FOR SEPARATING AN ASSEMBLY Non-Final OA REHM THERMAL SYSTEMS GMBH
18926211 PROCESSING MECHANISM AND ULTRASONIC WELDING APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
18580115 METHOD FOR APPLYING AN ELECTRICAL CONNECTION MATERIAL OR FLUX MATERIAL TO A COMPONENT Final Rejection ams-OSRAM International GmbH
18569600 METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND ROLLING MILL FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET Final Rejection JFE STEEL CORPORATION
18289170 SUPPLIED HEAT QUANTITY ESTIMATION METHOD, SUPPLIED HEAT QUANTITY ESTIMATION DEVICE, SUPPLIED HEAT QUANTITY ESTIMATION PROGRAM, AND BLAST FURNACE OPERATION METHOD Non-Final OA JFE STEEL CORPORATION
18289076 SUPPLIED HEAT QUANTITY ESTIMATION METHOD, SUPPLIED HEAT QUANTITY ESTIMATION DEVICE, SUPPLIED HEAT QUANTITY ESTIMATION PROGRAM, AND BLAST FURNACE OPERATION METHOD Non-Final OA JFE STEEL CORPORATION
18289072 SUPPLY HEAT QUANTITY ESTIMATING METHOD, SUPPLY HEAT QUANTITY ESTIMATING DEVICE, SUPPLY HEAT QUANTITY ESTIMATING PROGRAM, AND BLAST FURNACE OPERATING METHOD Non-Final OA JFE STEEL CORPORATION
19039037 Active Solder Paste Composition for Cladding Ceramic With Copper, Method for Cladding Ceramic With Copper, and Copper-Clad Ceramic Non-Final OA BYD COMPANY LIMITED
19242410 Solder Supply Method Final Rejection Senju Metal Industry Co., Ltd.
18037661 SOLDER PROCESSING APPARATUS Non-Final OA SENJU METAL INDUSTRY CO., LTD.
18938460 Welding Device Non-Final OA Tyco Electronics (Shanghai) Co., Ltd.
18730067 STEEL MATERIAL Non-Final OA NIPPON STEEL CORPORATION
18682007 SOLDER PARTICLES, METHOD FOR PRODUCING SOLDER PARTICLES, AND CONDUCTIVE COMPOSITION Final Rejection DEXERIALS CORPORATION
19421017 METHOD OF JOINING CLADDED PIPE Non-Final OA Individual inventor

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Frequently Asked Questions

What is examiner Devang R Patel's allowance rate?

65.6% of resolved applications examined by Devang R Patel were allowed (1,048 resolved cases), compared with 48.9% across Art Unit 1735 over the last five years.

Does an interview help with examiner Devang R Patel?

This examiner's interview lift is +39.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Devang R Patel take to allow a patent?

Applications allowed by Devang R Patel took 1,048 days on average from filing to allowance.

Which art unit does examiner Devang R Patel work in?

Devang R Patel examines applications in Art Unit 1735 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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