Prosecution Insights
Last updated: October 27, 2026

Katherine A Bareford, USPTO Patent Examiner

Listed by the USPTO as BAREFORD, KATHERINE A

Tech Center 3700 • Art Units: 1715 1717 1718 1726 1732 1762 1782 1792 3774 3783

This examiner grants 14% of resolved cases

Analysis

BAREFORD, KATHERINE A works in Tech Center 3700 and Art Unit 1715, with 951 resolved cases. The allowance rate is 13.9%, and the median time to allowance is 1404 days. The substantial record and low allowance rate indicate a restrictive prosecution profile, while the median shows that successful outcomes may require extended case management.

The interview lift is 28.6%, giving interviews a meaningful supporting role despite the low allowance rate. The listed companies are Tokyo Electron Limited, Mitsubishi Chemical Corporation, and Samsung Electronics Co., Ltd. The leading firms are Chrisman Gallo Tochtrop LLC, FGTL, and HAUPTMAN HAM, LLP. Counsel may benefit from early issue identification, focused interviews, and careful preservation of commercially important claim scope.

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

Performance Statistics

13.9%
Allow Rate
-56.1% vs TC avg
1,032
Total Applications
+28.6%
Interview Lift
1404
Avg Prosecution Days
Based on 951 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
7.8%
§102 Novelty
48.6%
§103 Obviousness
34.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18253510 METHOD AND DEVICE FOR MANUFACTURING A DUAL-MATERIAL TURBINE ENGINE DISC AND DISC PRODUCED USING SAID METHOD Final Rejection SAFRAN AIRCRAFT ENGINES
17994181 SUBSTRATE PROCESSING METHOD Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18633076 POST DEPOSITION HEAT TREATMENT OF COATING ON SUBSTRATE Non-Final OA Rolls-Royce Corporation
18826714 PROCESS FOR PRODUCING AN ORGANIC-INORGANIC HYBRID PEROVSKITE LAYER OF CONTROLLED COMPOSITION Non-Final OA Commissariat à l'Énergie Atomique et aux Énergies Alternatives
17983166 APPARATUS AND METHOD FOR LIVERY REPAIR Non-Final OA The Boeing Company
19220039 HIGH-PERFORMANCE CERIUM-RICH MISCH-METAL PERMANENT MAGNETIC MATERIAL AND PREPARATION METHOD THEREOF Non-Final OA Zhejiang University
19134795 WATER BLOWN ENVIRONMENTALLY FRIENDLY HIGH YIELD SPRAY POLYURETHANE FOAM Non-Final OA BASF SE
19185246 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18565489 FILM FORMATION METHOD AND FILM FORMATION APPARATUS Non-Final OA TOKYO ELECTRON LIMITED
18550535 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
17759648 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18616504 VISION-CONTROLLED PRECISION PAINT TOUCH-UP SYSTEM AND METHOD Final Rejection Ford Global Technologies, LLC
18523369 METHOD AND APPARATUS FOR COATING A SUBSTRATE Final Rejection Ford Global Technologies, LLC
18134730 MANUFACTURING METHOD OF MICRONEEDLE BIOSENSOR Non-Final OA PEKING UNIVERSITY
18037459 ANTIFOGGING AGENT, HYDROPHILIZING AGENT, AND ANTIFOGGING METHOD FOR VEHICULAR LAMP STRUCTURE Final Rejection Resonac Corporation
18773855 SYSTEMS HAVING POLYMERIC FIBERS WITH METALLIC NANOPARTICLES THEREON AND METHODS OF FABRICATION Non-Final OA Purdue Research Foundation
18554074 AMORPHOUS AND GRAPHITIC CARBON AEROGELS FROM COMPRESSED XEROGEL POWDERS Non-Final OA THE CURATORS OF THE UNIVERSITY OF MISSOURI
19215817 DRY FILM Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18250000 METHOD FOR PRODUCING A PARTICULATE CARRIER MATERIAL PROVIDED WITH ELEMENTARY SILVER AND ELEMENTARY RUTHENIUM Final Rejection Heraeus Deutschland GmbH & Co. KG
18550252 METHOD FOR PRODUCING WIRING CIRCUIT BOARD Non-Final OA NITTO DENKO CORPORATION
18988150 METHOD OF SEALING A SURFACE AND DEVICE THEREFOR Final Rejection RAWWATER APPLIED TECHNOLOGY LIMITED
18689221 Method of Repairing a Defect and Device Final Rejection Rawwater Applied Technology Limited

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Frequently Asked Questions

What is examiner Katherine A Bareford's allowance rate?

13.9% of resolved applications examined by Katherine A Bareford were allowed (951 resolved cases), compared with 51.6% across Art Unit 1715 over the last five years.

Does an interview help with examiner Katherine A Bareford?

This examiner's interview lift is +28.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Katherine A Bareford take to allow a patent?

Applications allowed by Katherine A Bareford took 1,404 days on average from filing to allowance.

Which art unit does examiner Katherine A Bareford work in?

Katherine A Bareford examines applications in Art Unit 1715 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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