Prosecution Insights
Last updated: October 27, 2026

Joseph Sadlon, USPTO Patent Examiner

Listed by the USPTO as SADLON, JOSEPH

Tech Center 3600 • Art Units: 3633 3635 3638 3642

This examiner grants 63% of resolved cases

Analysis

Joseph Sadlon serves in Tech Center 3600 and Art Unit 3633, where he has handled 775 resolved cases. He maintains an allowance rate of 63.4% and a median pendency to allowance of 854 days. The data highlights a 26.5% interview lift, which indicates a higher probability of allowance following an interview compared to the 63.4% baseline.

The examiner frequently interacts with companies such as Unilin B.V., Hilti Aktiengesellschaft, and Wencon Development Inc. Dba Quick Mount Pv. Firms like Workman Nydegger, Boone IP Law, PLLC, and Brown, Winick, Graves, Gross, Baskerville are among the representatives in his cases. These figures provide a benchmark for expectations in Art Unit 3633. The 26.5% interview lift suggests that verbal communication is a strategy for reaching the 854 days median to allowance.

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

Performance Statistics

63.4%
Allow Rate
+11.4% vs TC avg
829
Total Applications
+26.5%
Interview Lift
854
Avg Prosecution Days
Based on 775 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
18.6%
§102 Novelty
49.4%
§103 Obviousness
25.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18958013 JOINT-SEALING ELEMENT FOR MOVEMENT JOINTS AND SEALING ARRANGEMENT WITH SUCH A JOINT-SEALING ELEMENT Non-Final OA Hilti Aktiengesellschaft
18180952 INSULATION STANDOFFS AND EXTERIOR INSULATION SYSTEMS Final Rejection CertainTeed LLC
18584823 METHOD AND ARRANGEMENT FOR COUPLING A FOUNDATION STRUCTURE AND A VERTICAL PRECAST STRUCTURE Final Rejection ONX, INC.

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Frequently Asked Questions

What is examiner Joseph Sadlon's allowance rate?

63.4% of resolved applications examined by Joseph Sadlon were allowed (775 resolved cases), compared with 57.2% across Art Unit 3633 over the last five years.

Does an interview help with examiner Joseph Sadlon?

This examiner's interview lift is +26.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joseph Sadlon take to allow a patent?

Applications allowed by Joseph Sadlon took 854 days on average from filing to allowance.

Which art unit does examiner Joseph Sadlon work in?

Joseph Sadlon examines applications in Art Unit 3633 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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