Prosecution Insights
Last updated: October 27, 2026

Joshua A Campbell, USPTO Patent Examiner

Listed by the USPTO as CAMPBELL, JOSHUA A

Tech Center 3700 • Art Units: 3747

This examiner grants 55% of resolved cases

Analysis

CAMPBELL, JOSHUA A is assigned to tech center 3700 and art unit 3747. Across 464 resolved cases, the allowance rate is 55.2%, and the interview lift is 22.7%. The median days to allowance are 1299.

The listed companies are Toyota Motor Corporation, Volvo Group, and Yanmar Holdings Co., Ltd. The listed firms are ARENTFOX SCHIFF LLP, BANNER & WITCOFF, LTD., and Dickinson Wright PLLC - Ann Arbor. The allowance record is mixed, while the interview lift is clearly positive. Practitioners may therefore benefit from pairing focused written responses with interviews that address the specific barriers to allowance.

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

Performance Statistics

55.2%
Allow Rate
-14.8% vs TC avg
513
Total Applications
+22.7%
Interview Lift
1299
Avg Prosecution Days
Based on 464 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
15.5%
§102 Novelty
58.8%
§103 Obviousness
20.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18946298 STEERING CONTROL DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18476321 INFORMATION PROCESSING APPARATUS Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19082506 METHOD FOR CONTROLLING A STEERING SYSTEM FOR A VEHICLE, DATA PROCESSING APPARATUS FOR CARRYING OUT SAID METHOD, VEHICLE, COMPUTER PROGRAM, COMPUTER-READABLE MEDIUM, AND USE Non-Final OA Volvo Car Corporation
19087391 PARKING AND LOADING ASSIST Non-Final OA Oshkosh Corporation
19391140 METHOD AND APPARATUS FOR CONTROLLING LANE CHANGE OF AUTONOMOUS VEHICLE Non-Final OA Kia Corporation
18518490 BRAKE SYSTEM AND CONTROL METHOD THEREOF Non-Final OA HL MANDO CORPORATION
18561450 BRAKE CONTROL DEVICE AND BRAKE CONTROL METHOD Non-Final OA Hitachi Astemo, Ltd.
17406641 VEHICLE INSPECTION DEVICE AND ARTICLE TRANSFER SYSTEM HAVING THE SAME Non-Final OA SEMES CO., LTD.
18385304 PRO STOCK FUEL INJECTION AIR INTAKE ASSEMBLY Final Rejection K&N Engineering, Inc.
18695931 METHOD FOR CONTROLLING THE DISTRIBUTION OF BRAKING FORCES IN A BRAKING SYSTEM OF A VEHICLE TO REDUCE OR ELIMINATE NOISE AND/OR VIBRATIONS GENERATED IN THE SYSTEM Final Rejection Brembo S.p.A.

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Frequently Asked Questions

What is examiner Joshua A Campbell's allowance rate?

55.2% of resolved applications examined by Joshua A Campbell were allowed (464 resolved cases), compared with 69.1% across Art Unit 3747 over the last five years.

Does an interview help with examiner Joshua A Campbell?

This examiner's interview lift is +22.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joshua A Campbell take to allow a patent?

Applications allowed by Joshua A Campbell took 1,299 days on average from filing to allowance.

Which art unit does examiner Joshua A Campbell work in?

Joshua A Campbell examines applications in Art Unit 3747 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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