Prosecution Insights
Last updated: October 27, 2026

Marites A Guino-O Uzzle, USPTO Patent Examiner

Listed by the USPTO as GUINO-O UZZLE, MARITES A

Tech Center 1700 • Art Units: 1731 1738 1742

This examiner grants 69% of resolved cases

Analysis

GUINO-O UZZLE, MARITES A is a USPTO patent examiner in tech center 1700 and art unit 1731. The profile covers 208 resolved cases, with an allowance rate of 69.2% and an interview lift of 16.6%. The median time to allowance is 1142 days. The recorded allowance measure shows that a majority of cases reached allowance, while the interview measure identifies a positive association between interviews and that outcome. The median timeline indicates that applicants should account for extended prosecution when setting portfolio expectations.

The principal companies are Compagnie de Saint-Gobain S.A., Hsustainability GmbH, and Carbon Upcycling Technologies. The principal firms are PANITCH SCHWARZE BELISARIO & NADEL LLP, Abel Schillinger, LLP, and COLLARD & ROE, P.C. This combination points to experience with materials, sustainability, and process-oriented inventions. Practitioners can use the profile to support early technical preparation, targeted claim amendments, and interview planning where the record presents an opportunity to clarify patentability positions.

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

Performance Statistics

69.2%
Allow Rate
+4.2% vs TC avg
264
Total Applications
+16.6%
Interview Lift
1142
Avg Prosecution Days
Based on 208 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
14.4%
§102 Novelty
53.3%
§103 Obviousness
25.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18565796 COATED ABRASIVE ARTICLE INCLUDING BIODEGRADABLE THERMOSET RESIN AND METHOD OF MAKING AND USING THE SAME Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
17048474 SELF-HEALING AND DURABLE CEMENT PASTE, MORTARS, AND CONCRETES Non-Final OA MASSACHUSETTS INSTITUTE OF TECHNOLOGY
18720548 USE OF BISAMIDE COMPOUNDS TO IMPROVE THE AGEING RESISTANCE OF BITUMEN Non-Final OA CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
18809486 FLAME RESISTANT NYLON NANOFIBERS USING POLYPHENOLS Final Rejection The Government of the United States of America, as represented by the Secretary of the Navy
18231157 AEROGEL COMPOSITION FOR BATTERY INSULATION SHEET, METHOD OF PREPARING THE SAME, BATTERY INSULATION SHEET FORMED USING THE SAME, AND MANUFACTURING METHOD THEREOF Non-Final OA Samsung SDI Co., Ltd.
18699340 CO2-TRAPPING BITUMINOUS COMPOSITIONS MODIFIED BY INCORPORATION OF ALKALI METAL HYDROXIDE, ASSOCIATED METHODS AND USES Non-Final OA TOTALENERGIES ONETECH
18501880 BONDED ABRASIVE FOR GEAR POWER HONING Final Rejection Saint-Gobain Abrasifs
17444873 FIXED ABRASIVE ARTICLES AND METHODS OF FORMING SAME Non-Final OA SAINT-GOBAIN ABRASIFS
18279736 VISCOSITY REDUCTION IN ALUMINUM SULFATE SUSPENSIONS USING ALKALI METAL COMPOUNDS Final Rejection SIKA TECHNOLOGY AG
17972053 GREEN HIGH STRENGTH CEMENT Non-Final OA William Marsh Rice University
18579967 WATER BASED BARRIER COATING Non-Final OA CARGILL, INCORPORATED
18605657 SIMILAR MATERIAL FOR ROCK SLOPE MODEL TEST UNDER WATER-ROCK INTERACTION, AND PREPARATION METHOD AND USE THEREOF Final Rejection WUHAN UNIVERSITY
18411122 METHOD TO ACTIVATE PHYLLOSILICATE MINERALS AND ACTIVATED MATERIALS OBTAINABLE THEREFROM Non-Final OA Carbon Upcycling Technologies
18411133 METHOD OF ACTIVATION OF LOW-KAOLINITE MINERAL FEEDSTOCKS, ACTIVATED MATERIALS OBTAINABLE THEREFROM AND USES THEREOF Non-Final OA Carbon Upcycling Technologies

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Frequently Asked Questions

What is examiner Marites A Guino-O Uzzle's allowance rate?

69.2% of resolved applications examined by Marites A Guino-O Uzzle were allowed (208 resolved cases), compared with 55.4% across Art Unit 1731 over the last five years.

Does an interview help with examiner Marites A Guino-O Uzzle?

This examiner's interview lift is +16.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Marites A Guino-O Uzzle take to allow a patent?

Applications allowed by Marites A Guino-O Uzzle took 1,142 days on average from filing to allowance.

Which art unit does examiner Marites A Guino-O Uzzle work in?

Marites A Guino-O Uzzle examines applications in Art Unit 1731 in Tech Center 1700 (Chemistry & Materials).

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