Prosecution Insights
Last updated: October 26, 2026

Nicholas Anthony Piro, USPTO Patent Examiner

Listed by the USPTO as PIRO, NICHOLAS ANTHONY

Tech Center 4100 • Art Units: 1732 1738 1788 4100

This examiner grants 48% of resolved cases

Analysis

PIRO, NICHOLAS ANTHONY is assigned to technology center 4100 and art unit 1732. The profile records 40 resolved cases, with an allowance rate of 47.5%. The limited case base calls for caution, while the recorded rate indicates a mixed prosecution outcome.

The median time to allowance is 1280 days. Interview lift is 41.3%, showing a strong positive association between interviews and allowance. That result makes interview preparation a meaningful practical tool in this profile.

The recurring companies are Sumitomo Metal Mining Co., Ltd., Hunan Brunp EV Recycling Co., Ltd., and Arkema France. The listed firms are KRATZ, QUINTOS & HANSON, LLP, Troutman Pepper Locke LLP, and Westbridge IP LLC. Counsel should use focused interviews and carefully supported amendments while recognizing that the sample is limited.

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

Performance Statistics

47.5%
Allow Rate
-12.5% vs TC avg
125
Total Applications
+41.3%
Interview Lift
1280
Avg Prosecution Days
Based on 40 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
15.3%
§102 Novelty
46.7%
§103 Obviousness
23.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18035946 PROCESS FOR CONCENTRATING DILUTED SULFURIC ACID Non-Final OA BASF SE
18570430 INTEGRATED PROCESS AND CATALYSTS FOR MANUFACTURING HYDROGEN IODIDE FROM HYDROGEN AND IODINE Final Rejection Honeywell International Inc.
18399192 METHOD FOR PREPARING LITHIUM IRON PHOSPHATE POSITIVE ELECTRODE MATERIAL, POSITIVE ELECTRODE POLE PIECE AND LITHIUM ION BATTERY Non-Final OA BYD COMPANY LIMITED
17998934 PURIFICATION OF AROMATIC LIQUIDS Final Rejection ARKEMA FRANCE
17998938 PROCESS FOR IMPROVING THE QUALITY OF HYDROGEN-BEARING ORGANIC LIQUIDS Non-Final OA ARKEMA FRANCE
18009081 A WOOD-DERIVED CARBOHYDRATE COMPOSITION Final Rejection UPM-KYMMENE CORPORATION
17996703 VITRIFICATION MATERIALS TO PARTIAL OXIDATION GASIFIER Non-Final OA Eastman Chemical Company
17760321 CHEMICAL RECYCLING OF POLYOLEFIN-CONTAINING PLASTIC WASTE AND SOLVOLYSIS COPRODUCT STREAMS Non-Final OA Eastman Chemical Company
18268451 METHOD FOR RECOVERING LEAD FROM COPPER SMELTING DUST Non-Final OA MITSUBISHI MATERIALS CORPORATION
18691381 METHOD FOR PRODUCING LITHIUM HYDROXIDE Final Rejection SUMITOMO METAL MINING CO., LTD.
18681346 METHOD FOR PRODUCING LITHIUM CONTAINING SOLUTION AND METHOD FOR PRODUCING LITHIUM HYDROXIDE Non-Final OA SUMITOMO METAL MINING CO., LTD.
18579520 METHOD FOR PROCESSING ALLOY Final Rejection SUMITOMO METAL MINING CO., LTD.
18401946 NICKEL-CONTAINING COMPOSITE HYDROXIDE AND PRODUCTION PROCESS THEREFOR, POSITIVE-ELECTRODE ACTIVE MATERIAL FOR A NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY AND PRODUCTION PROCESS THEREFOR, AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY Non-Final OA SUMITOMO METAL MINING CO., LTD.
18267054 METHOD FOR PRODUCING LITHIUM HYDROXIDE Final Rejection SUMITOMO METAL MINING CO., LTD.
17797212 METHOD FOR TREATING ALLOY Final Rejection SUMITOMO METAL MINING CO., LTD.
18023903 Ligand Compound, Organochromium Compound and Catalyst System Comprising the Same Non-Final OA LG Chem, Ltd.
17767800 TRANSITION METAL COMPOUND AND CATALYST COMPOSITION COMPRISING THE SAME Non-Final OA LG CHEM, LTD.
18712556 ALUMINA POWDER Non-Final OA SUMITOMO CHEMICAL COMPANY, LIMITED

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Frequently Asked Questions

What is examiner Nicholas Anthony Piro's allowance rate?

47.5% of resolved applications examined by Nicholas Anthony Piro were allowed (40 resolved cases), compared with 53.6% across Art Unit 1732 over the last five years.

Does an interview help with examiner Nicholas Anthony Piro?

This examiner's interview lift is +41.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nicholas Anthony Piro take to allow a patent?

Applications allowed by Nicholas Anthony Piro took 1,280 days on average from filing to allowance.

Which art unit does examiner Nicholas Anthony Piro work in?

Nicholas Anthony Piro examines applications in Art Unit 1732 in Tech Center 4100.

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