Prosecution Insights
Last updated: October 26, 2026

Luan V Van, USPTO Patent Examiner

Listed by the USPTO as VAN, LUAN V

Tech Center 1700 • Art Units: 1700 1724 1756 1759 1794 1795

This examiner grants 34% of resolved cases

Analysis

VAN, LUAN V has 472 resolved cases in tech center 1700 and art unit 1700. The allowance rate is 34.5%, while the interview lift is 40.0%. The median time to allowance is 1402 days. Allowance occurs in fewer than half of resolved matters, but the interview measure exceeds the allowance rate. That relationship makes examiner interviews a significant strategic consideration, while the median indicates a lengthy prosecution path.

The listed companies are Rolls-Royce plc, Toyota Motor Corporation, and Korea Institute of Science and Technology. The leading firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., AMPACC Law Group, PLLC, and BakerHostetler. Practitioners may emphasize interview preparation, precise claim amendments, and sustained docket management throughout examination.

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

Performance Statistics

34.5%
Allow Rate
-30.5% vs TC avg
493
Total Applications
+40.0%
Interview Lift
1402
Avg Prosecution Days
Based on 472 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
17.5%
§102 Novelty
51.0%
§103 Obviousness
19.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18051237 ELECTRODE FOR PULSED ELECTROCHEMICAL MACHINING Non-Final OA Rolls-Royce Corporation
18146003 CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18413987 CATALYST ELECTRODE FOR PRODUCTION OF 2.5-FURANDICARBOXYLIC ACID AND METHOD FOR PREPARATION THEREOF Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
18588570 SYSTEMS AND FIXTURES FOR ELECTRODE CONNECTIONS Non-Final OA Illinois Tool Works Inc.
17628938 IRON AND COBALT MOLECULAR COMPLEXES FOR THE SELECTIVE ELECTROCHEMICAL REDUCTION OF CO2 INTO CO, WITH FLOW CELLS Non-Final OA CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
18413831 VANADIUM-DOPED MANGANESE COBALT SPINEL OXIDE BASED ELECTROCATALYSTS FOR GENERATING HYDROGEN Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18434886 ELECTROPLATING PROCESS USING A PROXIMITY MASK WITH AN OVERHANG AND AN APPARATUS FOR PERFORMING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company Limited
18589059 PLATING APPARATUS Non-Final OA EBARA CORPORATION

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Frequently Asked Questions

What is examiner Luan V Van's allowance rate?

34.5% of resolved applications examined by Luan V Van were allowed (472 resolved cases), compared with 40.4% across Art Unit 1700 over the last five years.

Does an interview help with examiner Luan V Van?

This examiner's interview lift is +40.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Luan V Van take to allow a patent?

Applications allowed by Luan V Van took 1,402 days on average from filing to allowance.

Which art unit does examiner Luan V Van work in?

Luan V Van examines applications in Art Unit 1700 in Tech Center 1700 (Chemistry & Materials).

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