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Last updated: October 27, 2026

Toan C To, USPTO Patent Examiner

Listed by the USPTO as TO, TOAN C

Tech Center 3600 • Art Units: 3614 3616

This examiner grants 92% of resolved cases

Performance Statistics

91.5%

Allow Rate

+39.5% vs TC avg

1,024

Total Applications

-5.1%

Interview Lift

724

Avg Prosecution Days

Based on 1010 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%

§101 Eligibility

48.8%

§102 Novelty

16.8%

§103 Obviousness

18.7%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
19086653	DRIVE ARRANGEMENT FOR A VEHICLE	Non-Final OA	Oshkosh Corporation
18874512	HEAVY DUTY TRANSMISSION ARCHITECTURE DESIGN	Non-Final OA	Eaton Intelligent Power Limited

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Frequently Asked Questions

What is examiner Toan C To's allowance rate?

91.5% of resolved applications examined by Toan C To were allowed (1,010 resolved cases), compared with 89.0% across Art Unit 3614 over the last five years.

Does an interview help with examiner Toan C To?

This examiner's interview lift is -5.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Toan C To take to allow a patent?

Applications allowed by Toan C To took 724 days on average from filing to allowance.

Which art unit does examiner Toan C To work in?

Toan C To examines applications in Art Unit 3614 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).