Prosecution Insights
Last updated: October 26, 2026

Leslie R Deak, USPTO Patent Examiner

Listed by the USPTO as DEAK, LESLIE R

Tech Center 3700 • Art Units: 3761 3781 3799

This examiner grants 75% of resolved cases

Analysis

Leslie R. Deak has 962 resolved cases in Tech Center 3700 and Art Unit 3761. The allowance rate is 75.4%, with a median of 1192 days to allowance. The large case base supports a favorable allowance assessment, while the median timeline reflects prosecution that often requires extended attention.

The interview lift is 17.8%, supporting interviews as a moderate prosecution tool. The leading companies include Alcon, Boston Scientific, and Procter & Gamble. CANTOR COLBURN, FOLEY HOAG, and Knobbe Martens are the listed leading firms. Applicants can use the profile to plan for both a favorable outcome and a longer examination path.

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

Performance Statistics

75.4%
Allow Rate
+5.4% vs TC avg
1,000
Total Applications
+17.8%
Interview Lift
1192
Avg Prosecution Days
Based on 962 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
22.6%
§102 Novelty
50.1%
§103 Obviousness
11.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17845057 SYSTEMS AND METHODS FOR PERCUTANEOUS BODY LUMEN DRAINAGE Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18765980 PUNCTURE NEEDLE AND METHOD OF USING GUIDE WIRE Non-Final OA OLYMPUS CORPORATION
18275288 Nasal Spray Reconstitution System Non-Final OA BECTON, DICKINSON AND COMPANY

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Frequently Asked Questions

What is examiner Leslie R Deak's allowance rate?

75.4% of resolved applications examined by Leslie R Deak were allowed (962 resolved cases), compared with 57.7% across Art Unit 3761 over the last five years.

Does an interview help with examiner Leslie R Deak?

This examiner's interview lift is +17.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Leslie R Deak take to allow a patent?

Applications allowed by Leslie R Deak took 1,192 days on average from filing to allowance.

Which art unit does examiner Leslie R Deak work in?

Leslie R Deak examines applications in Art Unit 3761 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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