Prosecution Insights
Last updated: October 27, 2026

Joseph W Sanderson, USPTO Patent Examiner

Listed by the USPTO as SANDERSON, JOSEPH W

Tech Center 3600 • Art Units: 3619 3644

This examiner grants 77% of resolved cases

Analysis

SANDERSON, JOSEPH W is a USPTO patent examiner in Tech Center 3600 and Art Unit 3619. The record covers 935 resolved cases, with a 77.4% allowance rate and a 13.8% interview lift. The median time to allowance is 1042 days. These figures provide a substantial prosecution history for evaluating outcomes and timing in this examination docket.

Listed company activity includes Ishikawa Energy Research Co. Ltd., Airbus Operations GmbH, and Beta Air LLC. Listed representation includes WHDA, LLP, Bayramoglu Law Offices LLC, and BERKELEY LAW & TECHNOLOGY GROUP, LLP. Practitioners can use these recurring participants to identify experience with this examiner and to assess whether interview practice has been associated with different prosecution outcomes.

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

Performance Statistics

77.4%
Allow Rate
+25.4% vs TC avg
954
Total Applications
+13.8%
Interview Lift
1042
Avg Prosecution Days
Based on 935 resolved cases, 2023–2026

Rejection Statute Breakdown

2.9%
§101 Eligibility
22.5%
§102 Novelty
34.4%
§103 Obviousness
31.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19240564 ENGINE-MOUNTED AUTONOMOUS FLYING DEVICE Final Rejection ISHIKAWA ENERGY RESEARCH CO., LTD.
18294249 ENGINE-CARRYING FLIGHT DEVICE Final Rejection ISHIKAWA ENERGY RESEARCH CO., LTD.

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Frequently Asked Questions

What is examiner Joseph W Sanderson's allowance rate?

77.4% of resolved applications examined by Joseph W Sanderson were allowed (935 resolved cases), compared with 68.4% across Art Unit 3619 over the last five years.

Does an interview help with examiner Joseph W Sanderson?

This examiner's interview lift is +13.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joseph W Sanderson take to allow a patent?

Applications allowed by Joseph W Sanderson took 1,042 days on average from filing to allowance.

Which art unit does examiner Joseph W Sanderson work in?

Joseph W Sanderson examines applications in Art Unit 3619 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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