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Last updated: October 27, 2026

Oluwafemi Lucrece Ligan, USPTO Patent Examiner

Listed by the USPTO as LIGAN, OLUWAFEMI LUCRECE

Tech Center 1700 • Art Units: 1718

This examiner grants 0% of resolved cases

Performance Statistics

—

Allow Rate

-65.0% vs TC avg

5

Total Applications

—

Interview Lift

0

Avg Prosecution Days

Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

0%

§101 Eligibility

28.6%

§102 Novelty

71.4%

§103 Obviousness

0%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18949501	PLASMA ETCHING APPARATUS	Non-Final OA	SAMSUNG ELECTRONICS CO., LTD.

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Who Appears Before This Examiner

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Law firms appearing most often

BALLARD SPAHR LLP (1)
Morgan, Lewis & Bockius LLP (WA)(SEC) (1)
Rimon PC (1)

Frequently Asked Questions

Which art unit does examiner Oluwafemi Lucrece Ligan work in?

Oluwafemi Lucrece Ligan examines applications in Art Unit 1718 in Tech Center 1700 (Chemistry & Materials).