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Last updated: October 27, 2026

Lester L Vanterpool, USPTO Patent Examiner

Listed by the USPTO as VANTERPOOL, LESTER L

Tech Center 3700 • Art Units: 3642 3655 3734 3782

This examiner grants 55% of resolved cases

Performance Statistics

54.9%

Allow Rate

-15.1% vs TC avg

1,031

Total Applications

-10.5%

Interview Lift

1019

Avg Prosecution Days

Based on 1008 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%

§101 Eligibility

21.8%

§102 Novelty

53.8%

§103 Obviousness

18.3%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
19062978	Clamping Device for Fastening a Component to a Bicycle Handlebar	Non-Final OA	Robert Bosch GmbH
19191182	CARGO MANAGEMENT SYSTEM	Non-Final OA	Ford Global Technologies, LLC
18880646	BABY CARRIER	Non-Final OA	WONDERLAND SWITZERLAND AG

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Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

CANTOR COLBURN LLP-Wonderland International AG (1)
GREENBLUM & BERNSTEIN, P.L.C. (1)
KOLISCH HARTWELL, P.C. (1)
Law Office of Joseph L. Felber (1)
Law Office of Michael Chen (1)
Maginot, Moore & Beck LLP (1)
PRICE HENEVELD LLP (1)
STINSON LLP (1)

Frequently Asked Questions

What is examiner Lester L Vanterpool's allowance rate?

54.9% of resolved applications examined by Lester L Vanterpool were allowed (1,008 resolved cases), compared with 67.2% across Art Unit 3642 over the last five years.

Does an interview help with examiner Lester L Vanterpool?

This examiner's interview lift is -10.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lester L Vanterpool take to allow a patent?

Applications allowed by Lester L Vanterpool took 1,019 days on average from filing to allowance.

Which art unit does examiner Lester L Vanterpool work in?

Lester L Vanterpool examines applications in Art Unit 3642 in Tech Center 3700 (Medical Devices & Mechanical Engineering).