Prosecution Insights
Last updated: October 02, 2026

Examiner: RIOJA, MELISSA A

Tech Center 1700 • Art Units: 1764 1767 1768 1796

This examiner grants 50% of resolved cases

Analysis

Melissa A. Rioja is an examiner in Tech Center 1700 and Art Unit 1764. She has 873 resolved cases. Her allowance rate is 49.5 percent. The interview lift is 53.8 percent. This 53.8 percent lift is substantial, suggesting that interviews more than double the likelihood of allowance compared to the baseline. The median days to allowance is 1158.

With 873 resolved cases, the data provides a very clear picture of her prosecution style. The 49.5 percent allowance rate indicates a rigorous review, but the 53.8 percent lift offers a clear path forward for applicants. The 1158 median days provide a standard expectation for pendency. The 873 resolved cases make these statistics highly reliable. The 53.8 percent lift is one of the most significant metrics in her profile.

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

Performance Statistics

49.5%
Allow Rate
-15.5% vs TC avg
930
Total Applications
+53.8%
Interview Lift
1158
Avg Prosecution Days
Based on 873 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
13.1%
§102 Novelty
42.8%
§103 Obviousness
32.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18510438 METHOD FOR PRODUCING RESIN FOAM PRODUCT, RESIN FOAM PRODUCT, AND SHOE INCLUDING RESIN FOAM PRODUCT Final Rejection ASICS CORPORATION
18689098 FOAMED POLYLACTIC ACID SHEET, AND METHOD FOR PRODUCING FOAMED POLYLACTIC ACID SHEET Non-Final OA RICOH COMPANY, LTD.
18532857 CLEANING IMPLEMENT COMPRISING A MODIFIED OPEN-CELL FOAM Non-Final OA The Procter & Gamble Company
18718131 POROUS PARTICLE, COSMETIC COMPOSITION, AND PRODUCTION METHOD FOR POROUS PARTICLE Non-Final OA DAICEL CORPORATION
18258492 COMPOSITION AND SHEET CONTAINING CURED PRODUCT OF SAME Final Rejection Resonac Corporation
18563507 POLYAMINES AS ALDEHYDE SCAVENGERS Non-Final OA BASF SE
18003102 Polyisocyanurate Resin Foam Having High Compressive Strength, Low Thermal Conductivity, and High Surface Quality Final Rejection BASF SE
17905007 Non-primary hydroxyl group based foams Final Rejection BASF SE
17045401 FOAMS BASED ON THERMOPLASTIC ELASTOMERS Non-Final OA BASF SE
18264529 POLYESTER POLYOL, URETHANE PREPOLYMER AND POLYURETHANE Final Rejection KURARAY CO., LTD.
17928558 USE OF EPOXY COMPOUNDS AS CARBON DIOXIDE SCAVENGERS IN PIR COMPRISING FOAMS FOR SUPERIOR THERMAL INSULATION PROPERTIES Non-Final OA Huntsman International LLC
18286153 METHOD OF PRODUCING MORPHOLINE CATALYSTS FOR RIGID FOAM SYSTEMS AND USES THEREOF Final Rejection Huntsman Petrochemical LLC
17915046 Acid-Blocked Alkylaminopyridine Catalysts For Polyurethane Foam Final Rejection Huntsman Petrochemical LLC
17627387 ACID-BLOCKED PYRROLIDINE CATALYSTS FOR POLYURETHANE FOAM Final Rejection Huntsman Petrochemical LLC
18731413 FOAMABLE THERMOPLASTIC COMPOSITIONS, THERMOPLASTIC FOAMS AND METHODS OF MAKING SAME Non-Final OA HONEYWELL INTERNATIONAL INC.
18641381 FOAM STABILIZERS FOR PHENOLIC FOAM Non-Final OA Evonik Operations GmbH
18575869 PRODUCTION OF PU FOAMS USING RECYCLED POLYOLS Non-Final OA Evonik Operations GmbH
18575863 PRODUCTION OF RIGID POLYURETHANE OR POLYISOCYANURATE FOAM Non-Final OA Evonik Operations GmbH
18265430 PRODUCTION OF POLYURETHANE FOAM Non-Final OA EVONIK OPERATIONS GMBH
18245171 COMPOSITION COMPRISING A COPOLYMER CONTAINING POLYAMIDE BLOCKS AND POLYETHER BLOCKS Final Rejection ARKema FRANCE
18245242 Foam of polymers comprising an ethylene-vinyl acetate (EVA) copolymer and/or a copolymer of ethylene and of alkyl (meth)acrylate and a copolymer containing polyamide blocks and polyether blocks Final Rejection ARKEMA FRANCE
18582298 METHODS OF PRODUCING EMBOSSED CROSSLINKED POLYOLEFIN FOAMS Non-Final OA Toray Plastics (America), Inc.
18689114 THERMALLY EXPANDABLE RUBBER COMPOSITION Non-Final OA SIKA TECHNOLOGY AG
18026712 POLYURETHANE BASED POLYMER CONCRETES AND GROUTING MORTARS OF CONTROLLED DENSITY Non-Final OA SIKA TECHNOLOGY AG
18284596 COMPOSITE MATERIAL AND METHOD FOR MANUFACTURING COMPOSITE MATERIAL Final Rejection NITTO DENKO CORPORATION
18095886 POLY(METH)ACRYLATE-BASED PRESSURE-SENSITIVE ADHESIVES COMPRISING AT LEAST ONE ACRYLONITRILE-BUTADIENE RUBBER Non-Final OA tesa SE
18766986 PROCESS FOR PREPARING A POLYETHER POLYOL WITH A HIGH ETHYLENE OXIDE CONTENT Non-Final OA SHELL USA, INC.
18578336 MELT-PROCESSABLE, BIODEGRADABLE CELLULOSE ACETATES, COMPOSITIONS, MELTS AND MELT-FORMED ARTICLES MADE THEREFROM Non-Final OA Eastman Chemical Company
18013046 POLYURETHANES WITH REDUCED COBALT EXTRACTABLES Final Rejection Dow Global Technologies LLC
17907910 PROCESS FOR REDUCING ALDEHYDE EMISSIONS IN POLYETHER POLYOLS AND POLYURETHANE FOAMS Final Rejection Dow Global Technologies LLC

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