Prosecution Insights
Last updated: October 02, 2026

Examiner: CAMPBELL, JOSHUA D

Tech Center 3900 • Art Units: 2178 2681 3992

This examiner grants 65% of resolved cases

Analysis

Joshua D. Campbell operates within Tech Center 3900 and Art Unit 2178. He has 141 resolved cases. His allowance rate is 65.2 percent, which suggests a generally positive outlook for applications. This rate indicates that he is willing to allow patents in a majority of cases. The median days to allowance for his cases is 1336, which is the time applicants should factor into their expectations.

His interview lift is 11.1 percent. This lift shows that direct communication provides a helpful boost when compared to the 65.2 percent allowance rate. The 141 resolved cases offer the data set for these observations. Practitioners can benefit from interviews to resolve specific issues and potentially expedite the process. The 1336 days to allowance and 11.1 percent interview lift are the primary metrics for this examiner. The 3900 tech center and 2178 art unit define his area of expertise.

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

8.6%
§101 Eligibility
7.8%
§102 Novelty
25.8%
§103 Obviousness
20.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19307888 IMAGE RECORDING DEVICE, METHOD OF CONTROLLING IMAGE RECORDING DEVICE, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM THEREFOR Non-Final OA Brother Kogyo Kabushiki Kaisha
17412516 RADIO NETWORK NODE AND METHOD FOR USING POSITIONING GAP INDICATION FOR ENHANCING POSITIONING PERFORMANCE Final Rejection Telefonaktiebolaget LM Ericsson (publ)
19098857 TERMINAL ASSEMBLY AND ELECTRICAL CONNECTOR Final Rejection Dongguan Luxshare Technologies co., Ltd
17473455 Systems and Methods for Transmitting Data Information Messages on a Downlink of a Wireless Communication System Final Rejection Futurewei Technologies, Inc.
18142924 OPERATING A FAN-BASED DEVICE TOGETHER WITH AN AIR PURIFIER TO ACHIEVE A COMBINED EFFECT Non-Final OA SENSIBO LTD.

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