Prosecution Insights
Last updated: October 27, 2026

Joshua D Campbell, USPTO Patent Examiner

Listed by the USPTO as CAMPBELL, JOSHUA D

Tech Center 3900 • Art Units: 2178 2681 3992

This examiner grants 65% of resolved cases

Analysis

CAMPBELL, JOSHUA D works in tech center 3900 and art unit 2178. The profile contains 141 resolved cases, with a 65.2% allowance rate and an 11.1% interview lift. The median days to allowance are 1336.

The listed companies are Brother Kogyo Kabushiki Kaisha, Telefonaktiebolaget LM Ericsson, and GE Hybrid Technologies LLC. The listed firms are Baker Botts L.L.P., BANNER & WITCOFF, LTD., and MYERS WOLIN, LLC. The data indicates a moderate allowance record with a positive interview signal, supporting early assessment of whether an examiner interview can clarify claim scope before additional written prosecution.

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

Performance Statistics

65.2%
Allow Rate
+5.2% vs TC avg
156
Total Applications
+11.1%
Interview Lift
1336
Avg Prosecution Days
Based on 141 resolved cases, 2023–2026

Rejection Statute Breakdown

8.7%
§101 Eligibility
7.9%
§102 Novelty
26.0%
§103 Obviousness
20.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17412516 RADIO NETWORK NODE AND METHOD FOR USING POSITIONING GAP INDICATION FOR ENHANCING POSITIONING PERFORMANCE Final Rejection Telefonaktiebolaget LM Ericsson (publ)

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Frequently Asked Questions

What is examiner Joshua D Campbell's allowance rate?

65.2% of resolved applications examined by Joshua D Campbell were allowed (141 resolved cases), compared with 61.2% across Art Unit 2178 over the last five years.

Does an interview help with examiner Joshua D Campbell?

This examiner's interview lift is +11.1 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 D Campbell take to allow a patent?

Applications allowed by Joshua D Campbell took 1,336 days on average from filing to allowance.

Which art unit does examiner Joshua D Campbell work in?

Joshua D Campbell examines applications in Art Unit 2178 in Tech Center 3900.

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