Prosecution Insights
Last updated: April 19, 2026

Examiner: ROSEBACH, CHRISTINA H.W.

Tech Center 1700 • Art Units: 1766

This examiner grants 59% of resolved cases

Performance Statistics

58.7%
Allow Rate
-6.3% vs TC avg
480
Total Applications
-36.1%
Interview Lift
1148
Avg Prosecution Days
Based on 443 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
19.7%
§102 Novelty
46.2%
§103 Obviousness
22.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17639218 PHASE TRANSFER ACTIVE TRIMERIZATION CATALYST SALTS Non-Final OA EVONIK OPERATIONS GMBH
18504425 PROCESS FOR MAKING FLEXIBLE, POROUS, DISSOLVABLE SOLID SHEET ARTICLES WITH IMPROVED PORE STRUCTURES Final Rejection The Procter & Gamble Company
17669443 Method of Separating and Purifying a Mixed Stream of Contaminated Reclaimed Polyethylene and Polypropylene Non-Final OA The Procter & Gamble Company
18038189 MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, PREPARATION METHOD THEREOF, AND RECYCLED PLASTIC, MOLDED PRODUCT USING THE SAME Non-Final OA LG CHEM, LTD.
17934253 HIERARCHICAL BUOYANT MATERIALS Non-Final OA The Boeing Company
17953745 EXPANDABLE METHYL-METHACRYLATE-BASED RESIN PARTICLES, METHYL-METHACRYLATE-BASED EXPANDED PARTICLES, METHYL-METHACRYLATE-BASED MOLDED FOAM, AND EVAPORATIVE PATTERN Final Rejection KANEKA CORPORATION
17719908 PREPARATION OF PRESSURE SENSITIVE ADHESIVES FROM POST-CONSUMER SUPERABSORBENT POLYMERS Non-Final OA The Regents of the University of Michigan
18259159 ENZYMATIC RECYCLING OF POLYURETHANES BY A COMBINATION OF CUTINASES AND LIPASES Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
17609117 Encapsulated Reactive Components for Use in Activatable Materials Final Rejection Zephyros, Inc.
17907594 PREPARATION OF POLYURETHANE AND POLYISOCYANURATE FOAMS USING LIQUID SILOXANE NUCLEATING ADDITIVE Non-Final OA Dow Global Technologies LLC
18038059 REMOVAL OF ODORANTS FROM POST-CONSUMER POLYOLEFIN WASTE Non-Final OA Borealis AG
17277019 Functionalized Surface Non-Final OA The University of Birmingham
17906033 CROSSLINKED OLEFIN-BASED THERMOPLASTIC ELASTOMER EXPANDED BEAD AND METHOD FOR PRODUCING SAME Final Rejection JSP CORPORATION
17919866 RECYCLING SYSTEM FOR RECYCLING PLASTIC LAMINATE INTO RECYCLED MATERIALS, RECYCLING METHOD, AND LAMINATE SEPARATION AND RECOVERY METHOD Non-Final OA DIC Corporation
17860239 PRE-TREATMENT OF POLYOLEFIN WASTE TO IMPROVE DEPOLYMERIZATION Final Rejection Basell Poliolefine Italia S.r.l.
18688529 A METHOD OF RECYCLING TEXTILE WASTE CELLULOSE Non-Final OA Asia Pacific Resources International Holdings Ltd.
17996011 CHEMICAL RECYCLING OF WASTE PLASTIC MATERIALS WITH IMPROVED SOLVOLYSIS CATALYST Non-Final OA Eastman Chemical Company
17949641 PRIMER FOR PRODUCING A PARTABLE ADHESIVE BOND Final Rejection tesa SE
18208135 SYSTEM AND METHOD FOR RECYCLING PERSONAL PROTECTIVE EQUIPMENT Non-Final OA Vitacore Industries Inc.
18038542 MODULAR TEXTILE RECYCLING SYSTEM AND PROCESS Non-Final OA Ravel Holdings, Inc.
18140022 Cement-Based Mixtures Non-Final OA C&J Well Services, LLC.
17801950 HEAT-EXPANDABLE MICROSPHERES, PROCESS FOR PRODUCING THE SAME, AND APPLICATION THEREOF Final Rejection MATSUMOTO YUSHI-SEIYAKU CO., LTD.
17773857 An environmentally friendly, efficient and low-cost method for preparing physical foaming materials Final Rejection Jiangsu Daimaoniu New Material Technology Co., Ltd.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month