Prosecution Insights
Last updated: April 19, 2026

Examiner: CALANDRA, ANTHONY J

Tech Center 1700 • Art Units: 1741 1748 1759 1791

This examiner grants 63% of resolved cases

Performance Statistics

62.9%
Allow Rate
-2.1% vs TC avg
1076
Total Applications
+17.5%
Interview Lift
1108
Avg Prosecution Days
Based on 1014 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
21.0%
§102 Novelty
39.9%
§103 Obviousness
26.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18530304 Multi-Region Pulp Article Non-Final OA The Procter & Gamble Company
18666774 SYSTEMS AND TECHNIQUES FOR CONTROLLING ODOR EMISSIONS FROM PULP MILLS Non-Final OA Ecolab USA Inc.
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
18705099 HIGHLY REFINED PULP FROM FIBERS OBTAINED FROM USED BEVERAGE CARTONS Non-Final OA Stora Enso OYJ
18548367 METHOD FOR FRACTIONATION OF HIGHLY REFINED CELLULOSE Non-Final OA Stora Enso OYJ
18597787 PROCESS TO OBTAIN FULLY OXIDIZED WHITE LIQUOR FOR USE IN THE FIBERLINE OF A KRAFT PULP PROCESS Final Rejection 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
18383853 PROCESSING CONVENTIONAL PAPERS AND PULPS INTO HYDROPHOBIC AND WATER-RESISTANT PACKAGING MATERIALS AND TABLEWARE Final Rejection Mississippi State University
18830761 MEANS FOR CONVERTING POST CONSUMER CELLULOSIC TEXTILE WASTE INTO NANOCELLULOSE Non-Final OA REFNOW SMART-UP Microfactories UG
18286192 NEW SUBSTRATE Final Rejection Billerud Aktiebolag (publ)
18035950 APPARATUS FOR RECYCLING OF LIGNOCELLULOSIC FIBRES FROM FIBREBOARDS Non-Final OA IKEA SUPPLY AG
18520639 METHOD FOR DIGESTING LIGNOCELLULOSIC MATERIAL Final Rejection SOLENIS TECHNOLOGIES, L.P.
18490110 BLACK LIQUOR TREATMENT Final Rejection SOLENIS TECHNOLOGIES, L.P.
18358121 ADDITIVE COMPOSITIONS AND METHODS FOR PAPERMAKING WITH HIGH-KAPPA FURNISHES Non-Final OA SOLENIS TECHNOLOGIES, L.P.
18757587 ALMOND WOOD PULPS AND PAPER PRODUCTS MADE THEREFROM Final Rejection GPCP IP Holdings LLC
18755547 METHOD FOR PRODUCING PULP SOFTENERS USING WASTE COOKING OIL Non-Final OA Chengdu Huadian Rongyu Biotechnology Co., Ltd
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
18292186 PAPER BAG AND CONTENTS Non-Final OA BAUMIT BETEILIGUBGEN GMBH
18606021 SYSTEM AND METHOD OF MANUFACTURE OF CELLULOSE INSULATION Non-Final OA NTIP LLC
18690147 SYSTEM AND METHOD FOR ISOLATING LIGAN AND SYNTHESIZING NANOCELLULOSE FROM LIGNOCELLULLOSIC MATERIALS Non-Final OA ALLIANCE BIOENERGY PLUS, INC., DBA BLUE BIOFUELS
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
18511020 SYSTEMS AND METHODS FOR PRODUCTION OF STARCH-LOADED FIBRILLATED FIBERS Non-Final OA Domtar Paper Company, LLC
18411213 PROCESS OF USING NON-WOOD FIBERS TO CREATE PAPER PULP Non-Final OA GAIA IP Holdings LLC
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

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