Prosecution Insights
Last updated: May 29, 2026

Examiner: CALANDRA, ANTHONY J

Tech Center 1700 • Art Units: 1741 1748 1759 1791

This examiner grants 63% of resolved cases

Performance Statistics

63.0%
Allow Rate
-2.0% vs TC avg
1,083
Total Applications
+17.8%
Interview Lift
1068
Avg Prosecution Days
Based on 1026 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
5.0%
§102 Novelty
86.0%
§103 Obviousness
6.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18530304 Multi-Region Pulp Article Non-Final OA The Procter & Gamble Company
18395792 DISPERSION DEVICE AND ACCUMULATION DEVICE Final Rejection SEIKO EPSON CORPORATION
18633316 METHODS OF INCREASING FORMABILITY OF A PALM SHEATH MATERIAL, METHODS OF PRODUCING A PALM SHEATH-BASED PRODUCT, AND PALM SHEATH FOODWARE PRODUCED THEREBY Final Rejection Purdue Research Foundation
18654230 CLOTHING AND METHOD Non-Final OA VOITH PATENT GMBH
18618877 METHOD AND MACHINE FOR PRODUCING A MATERIAL WEB IN A PAPER MACHINE Non-Final OA Voith Patent GmbH
18462597 METHOD FOR PRODUCING FIBER MAT AND FIBER MAT Non-Final OA Murata Manufacturing Co., Ltd.
18284306 DISPERSION, COMPOSITE, AND PRODUCING METHODS THEREOF Non-Final OA Yokogawa Electric Corporation
18705088 A METHOD FOR MANUFACTURING A PURIFIED FIBER FRACTION FROM USED BEVERAGE CARTON Non-Final OA Stora Enso OYJ
18705099 HIGHLY REFINED PULP FROM FIBERS OBTAINED FROM USED BEVERAGE CARTONS Non-Final OA Stora Enso OYJ
18410817 USE OF AN ANIONIC ADDITIVE TO IMPROVE DRY STRENGTH COMPOSITION PERFORMANCE Final Rejection ECOLAB USA Inc.
18410674 SCALE INHIBITION FOR PULP DIGESTERS Non-Final OA Ecolab USA Inc.
18597787 PROCESS TO OBTAIN FULLY OXIDIZED WHITE LIQUOR FOR USE IN THE FIBERLINE OF A KRAFT PULP PROCESS Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18712988 SUBAMBIENT DAYTIME COOLING ENABLED BY HIERARCHICALLY ARCHITECTED ALL-INORGANIC METAPAPER WITH ENHANCED THERMAL DISSIPATION Non-Final OA Northeastern University
18031207 A METHOD FOR PREPARING MODIFIED PULP Non-Final OA UPM-Kymmene Corporation
18830761 MEANS FOR CONVERTING POST CONSUMER CELLULOSIC TEXTILE WASTE INTO NANOCELLULOSE Non-Final OA REFNOW SMART-UP Microfactories UG
18755547 METHOD FOR PRODUCING PULP SOFTENERS USING WASTE COOKING OIL Non-Final OA Chengdu Huadian Rongyu Biotechnology Co., Ltd
18750511 BIOMASS DELIGNIFICATION Non-Final OA SixRing Inc.
18490110 BLACK LIQUOR TREATMENT Final Rejection SOLENIS TECHNOLOGIES, L.P.
18639025 BARRIER LAYERS COMPRISING NANOCELLULOSE ONTO THE SURFACE OF PAPER OR PAPERBOARD SUBSTRATES AT THE WET END OF A PAPERMAKING PROCESS Non-Final OA FIBERLEAN TECHNOLOGIES LIMITED
18698077 A METHOD FOR CHEMICAL PULP PRODUCTION IN A MULTI-STAGE PROCESS Non-Final OA ANDRITZ AB
18622890 DELIGNIFICATION OF MATERIALS IN DEEP EUTECTIC SOLVENTS Final Rejection BastCore, Inc.
18606021 SYSTEM AND METHOD OF MANUFACTURE OF CELLULOSE INSULATION Non-Final OA NTIP LLC
18689204 A METHOD FOR PRODUCING A CHEMI-THERMOMECHANICAL FIBROUS PULP FROM NON-WOOD PLANT RAW MATERIALS AND AN AUTOMATED LINE FOR PRODUCING SAID PULP BY SAID METHOD Non-Final OA RELEAF PAPER FRANCE SAS
18408955 PROCESSES, METHODS, AND SYSTEMS FOR CHEMO-MECHANICAL CELLULAR EXPLOSION AND SOLID AND LIQUID PRODUCTS MADE BY THE SAME Non-Final OA IFG Technologies, LLC
18570522 METHOD AND SYSTEM FOR PRODUCING LIGNIN Final Rejection VALMET AB
18270207 METHOD FOR PRODUCING PRODUCTS BASED ON NON-WOODY BIOMASS AS RAW MATERIAL Final Rejection TECHNISCHE UNIVERSITÄT WIEN
18383853 PROCESSING CONVENTIONAL PAPERS AND PULPS INTO HYDROPHOBIC AND WATER-RESISTANT PACKAGING MATERIALS AND TABLEWARE Final Rejection Mississippi State University
18262711 HIGH DURABILITY CARDBOARD PRODUCT AND METHOD FOR THE MANUFACTURING THEREOF Final Rejection FIBERDOM OY
18220587 PROCESS FOR TREATING TERRESTRIAL-BASED AND MARINE-BASED BIOMASSES Final Rejection GREENKEY LLC
18270766 A VERSATILE METHOD TO VALORIZE CELLULOSIC WASTE TEXTILES Final Rejection SHARETEX AB

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