Prosecution Insights
Last updated: October 27, 2026

Vanessa Tibay Luk, USPTO Patent Examiner

Listed by the USPTO as LUK, VANESSA TIBAY

Tech Center 1700 • Art Units: 1733 1738 1793

This examiner grants 54% of resolved cases

Analysis

LUK, VANESSA TIBAY works in tech center 1700 and art unit 1733. The profile includes 739 resolved cases and a 54.5% allowance rate. The median time to allowance is 1409 days. Interviews are associated with a 26.3% lift in the allowance outcome.

The allowance result is near the middle of the possible range, while the median timeline is long. The interview measure is comparatively important within this record, which supports deliberate preparation around claim distinctions, evidentiary support, and amendment options before an interview. The leading companies are Posco Co. Ltd., ArcelorMittal, and thyssenkrupp AG.

The leading firms are Morgan, Lewis & Bockius LLP (WA), Davidson Kappel LLC, and DYKEMA GOSSETT PLLC. These participants provide the clearest view of recurring prosecution activity associated with the examiner.

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

Performance Statistics

54.5%
Allow Rate
-10.5% vs TC avg
785
Total Applications
+26.3%
Interview Lift
1409
Avg Prosecution Days
Based on 739 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
7.4%
§102 Novelty
56.9%
§103 Obviousness
28.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18288300 Gas atomizer Non-Final OA ArcelorMittal
18286599 Process for cooling and transporting metal powder Non-Final OA ArcelorMittal
18265316 Low density cold rolled and annealed steel sheet, method of production thereof and use of such steel to produce vehicle parts Non-Final OA ArcelorMittal
18325774 SYSTEMS AND METHODS FOR PRODUCING COLD SPRAYED COMPONENTS WITH COATINGS THEREON Final Rejection HONEYWELL INTERNATIONAL INC.
18702107 SEMI-HARD MAGNETIC STEEL COMPONENT Final Rejection Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
18268584 GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND MANUFACTURING METHOD THEREFOR Non-Final OA POSCO Co., Ltd
18268545 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME Non-Final OA POSCO Co., Ltd
18268387 NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME Non-Final OA POSCO Co., Ltd
18267237 STEEL WIRE WITH IMPROVED DRAWABILITY, AND MANUFACTURING METHOD THEREFOR Non-Final OA POSCO CO., LTD.
18032977 METHOD FOR MANUFACTURING TAILOR WELDED BLANK USING STEEL SHEET FOR HOT PRESSING HAVING AL-FE-BASED INTERMETALLIC ALLOY LAYER Non-Final OA POSCO CO., LTD
18630630 AMBIENT TEMPERATURE SINTERABLE SILVER NANOALLOY INKS AND PASTES Non-Final OA The Research Foundation for the State University of New York
18259669 CONDUCTIVE METAL PARTICLE PRODUCTION METHOD Non-Final OA PROTERIAL, LTD.
18358369 METHOD AND APPARATUS FOR FORMING INTERNAL STRUCTURES OF THREE-DIMENSIONAL (3D) OBJECTS Final Rejection XEROX CORPORATION

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Frequently Asked Questions

What is examiner Vanessa Tibay Luk's allowance rate?

54.5% of resolved applications examined by Vanessa Tibay Luk were allowed (739 resolved cases), compared with 48.5% across Art Unit 1733 over the last five years.

Does an interview help with examiner Vanessa Tibay Luk?

This examiner's interview lift is +26.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Vanessa Tibay Luk take to allow a patent?

Applications allowed by Vanessa Tibay Luk took 1,409 days on average from filing to allowance.

Which art unit does examiner Vanessa Tibay Luk work in?

Vanessa Tibay Luk examines applications in Art Unit 1733 in Tech Center 1700 (Chemistry & Materials).

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