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Last updated: October 25, 2026

Alec Stone Westall, USPTO Patent Examiner

Listed by the USPTO as WESTALL, ALEC STONE

Tech Center 1700 • Art Units: 1779

This examiner grants 0% of resolved cases

Performance Statistics

—

Allow Rate

-65.0% vs TC avg

2

Total Applications

—

Interview Lift

0

Avg Prosecution Days

Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

0%

§101 Eligibility

33.3%

§102 Novelty

66.7%

§103 Obviousness

0%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18633266	TILTABLE FILTER CANISTER	Non-Final OA	Pitco Frialator, Inc.
18631609	FILTER MONITORING	Non-Final OA	John Crane UK Limited

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Who Appears Before This Examiner

Top companies before this examiner

Pitco Frialator Inc. (1)
John Crane UK Limited (1)

Law firms appearing most often

SEYFARTH SHAW LLP (1)

Frequently Asked Questions

Which art unit does examiner Alec Stone Westall work in?

Alec Stone Westall examines applications in Art Unit 1779 in Tech Center 1700 (Chemistry & Materials).