Prosecution Insights
Last updated: October 26, 2026

Kenneth J Hansen, USPTO Patent Examiner

Listed by the USPTO as HANSEN, KENNETH J

Tech Center 3700 • Art Units: 1799 3617 3746

This examiner grants 81% of resolved cases

Analysis

HANSEN, KENNETH J has resolved 644 cases in Tech Center 3700 and Art Unit 1799. The allowance rate is 81.2%, and the median time to allowance is 987 days. The substantial record supports a useful expectation-setting reference, with timing that should be included in portfolio planning.

The interview lift is 7.5%, indicating little measured association with allowance. Practitioners may accordingly prioritize written responses and targeted amendments, using interviews where a particular issue justifies them. The listed companies are Panasonic Holdings Corporation, Fujitsu Limited, and Abiomed Inc. The leading firms are BOTOS CHURCHILL IP LAW LLP-ABIO, DILWORTH & BARRESE, LLP, and FisherBroyles, LLP.

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

Performance Statistics

81.2%
Allow Rate
+11.2% vs TC avg
661
Total Applications
+7.5%
Interview Lift
987
Avg Prosecution Days
Based on 644 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
17.0%
§102 Novelty
47.2%
§103 Obviousness
29.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18859845 COMPRESSOR FOR REFRIGERATION CYCLE SYSTEM Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
19482512 ROTARY COMPRESSOR Non-Final OA FUJITSU GENERAL LIMITED

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Frequently Asked Questions

What is examiner Kenneth J Hansen's allowance rate?

81.2% of resolved applications examined by Kenneth J Hansen were allowed (644 resolved cases), compared with 50.4% across Art Unit 1799 over the last five years.

Does an interview help with examiner Kenneth J Hansen?

This examiner's interview lift is +7.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kenneth J Hansen take to allow a patent?

Applications allowed by Kenneth J Hansen took 987 days on average from filing to allowance.

Which art unit does examiner Kenneth J Hansen work in?

Kenneth J Hansen examines applications in Art Unit 1799 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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