Prosecution Insights
Last updated: October 02, 2026

Examiner: LONSBERRY, HUNTER B

Tech Center 3600 • Art Units: 2421 2424 2427 2623 3658 3663 3665 3667

This examiner grants 86% of resolved cases

Analysis

Hunter B Lonsberry is an examiner in Tech Center 3600 and Art Unit 2421, with a portfolio of 665 resolved cases. The data reveals an allowance rate of 86.3%, which is an indicator of the likelihood of success for applicants. Additionally, the interview lift is 4.7%, suggesting that while interviews provide a benefit, the baseline probability of allowance is already established. The median days to allowance for this examiner is 983. This duration, derived from 665 resolved cases, provides an estimate for the time required to navigate the prosecution process in Art Unit 2421.

The 86.3% allowance rate demonstrates a pattern of granting patents within Tech Center 3600. Practitioners should weigh the 4.7% interview lift against the 983 days to allowance when deciding on a prosecution strategy. These figures, based on 665 resolved cases, offer a statistical profile for managing expectations and resources. The 4.7% lift offers an advantage for those choosing to engage directly with the examiner. This comprehensive data set allows for a detailed analysis of the examiner's historical trends across a large volume of resolved cases.

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

Performance Statistics

86.3%
Allow Rate
+34.3% vs TC avg
668
Total Applications
+4.7%
Interview Lift
983
Avg Prosecution Days
Based on 665 resolved cases, 2023–2026

Rejection Statute Breakdown

8.3%
§101 Eligibility
22.9%
§102 Novelty
48.8%
§103 Obviousness
5.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19062040 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY RECORDING MEDIUM Non-Final OA RICOH COMPANY, LTD.
19267316 METHOD FOR CONTROLLING A VEHICLE BY CARRYING OUT AT LEAST ONE DRIVING DYNAMICS INTERVENTION Non-Final OA ZF CV Systems Global GmbH
18638571 VIRTUAL FIELD-BASED TRACK PROTECTION FOR A MINING MACHINE Non-Final OA Joy Global Surface Mining Inc

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