Prosecution Insights
Last updated: October 26, 2026

James Pilkington, USPTO Patent Examiner

Listed by the USPTO as PILKINGTON, JAMES

Tech Center 3600 • Art Units: 3617 3656 3682

This examiner grants 70% of resolved cases

Analysis

PILKINGTON, JAMES is assigned to technology center 3600 and art unit 3617. The record covers 1613 resolved cases, with an allowance rate of 70.2%. The extensive volume gives the profile substantial evidentiary weight, and the rate indicates that allowances occur in a majority of resolved matters.

The median time to allowance is 913 days. Interview lift is 35.7%, showing a strong positive association between interviews and allowance. Counsel may find interviews especially useful when a written response alone does not resolve the examiner’s concerns.

The recurring companies are Aktiebolaget SKF, NTN Corporation, and GE Avio S.r.l. The listed firms are J-TEK LAW PLLC, STINSON LLP, and WENDEROTH, LIND & PONACK, L.L.P. Practitioners should plan for a substantial prosecution timeline while using interviews to improve the prospects of resolution.

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

Performance Statistics

70.2%
Allow Rate
+18.2% vs TC avg
1,663
Total Applications
+35.7%
Interview Lift
913
Avg Prosecution Days
Based on 1613 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
19.2%
§102 Novelty
39.2%
§103 Obviousness
38.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19135472 BEARING Non-Final OA Schaeffler Technologies AG & Co. KG
19084563 FOIL BEARING AND BEARING BLOCK FOR RECEIVING A FOIL BEARING Final Rejection ZF CV Systems Global GmbH
18433561 OIL LUBRICATION FAN PERSUADER Non-Final OA RTX Corporation
19220281 BEARING DEVICE WITH INTEGRATED ELECTRICAL INSULATION, NOTABLY FOR AN ELECTRIC MOTOR OR MACHINE, AND ASSOCIATED MANUFACTURING METHODS Non-Final OA AKTIEBOLAGET SKF
19218731 MARKING FOR IDENTIFYING ROLLING ELEMENTS IN ROLLING BEARINGS Non-Final OA AKTIEBOLAGET SKF
19217079 BEARING UNIT PROVIDED WITH A SEALING DEVICE Non-Final OA Aktiebolaget SKF
19194167 ROLLING BEARING WITH SEALS AND A SEGMENTED SPACER RING BETWEEN THE SEALS Non-Final OA AKTIEBOLAGET SKF
19192915 BEARING DEVICE WITH INTEGRATED ELECTRIC INSULATION, IN PARTICULAR FOR AN ELECTRIC MACHINE OR MOTOR Non-Final OA AKTIEBOLAGET SKF
19023836 INSULATED BEARING AND METHOD OF MANUFACTURING THE SAME Final Rejection Aktiebolaget SKF
18924350 OPTIMIZED BALL BEARING WITH FEATURES FOR IMPROVED LUBRICATION Final Rejection AKTIEBOLAGET SKF
18443527 SUPPORT ASSEMBLY Final Rejection Aktiebolaget SKF
18514490 BEARING-ASSEMBLY COMPONENT AND METHOD FOR MANUFACTURING SUCH A BEARING-ASSEMBLY COMPONENT Final Rejection AKTIEBOLAGET SKF
19150755 BEARING SEAL Non-Final OA NAKANISHI METAL WORKS CO., LTD.
19106376 SHELL TYPE NEEDLE ROLLER BEARING Final Rejection NTN CORPORATION
18975363 TAPERED ROLLER BEARING Final Rejection NTN CORPORATION
18871307 ROLLING BEARING Final Rejection NTN CORPORATION
18283200 SEALED ROLLING BEARING Final Rejection NTN CORPORATION
19117751 BEARING AND COMPRESSOR Non-Final OA TAIHO KOGYO CO., LTD.

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Frequently Asked Questions

What is examiner James Pilkington's allowance rate?

70.2% of resolved applications examined by James Pilkington were allowed (1,613 resolved cases), compared with 61.5% across Art Unit 3617 over the last five years.

Does an interview help with examiner James Pilkington?

This examiner's interview lift is +35.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner James Pilkington take to allow a patent?

Applications allowed by James Pilkington took 913 days on average from filing to allowance.

Which art unit does examiner James Pilkington work in?

James Pilkington examines applications in Art Unit 3617 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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