Prosecution Insights
Last updated: May 29, 2026

Examiner: LEYSON, JOSEPH S

Tech Center 1700 • Art Units: 1742 1744 1791

This examiner grants 66% of resolved cases

Performance Statistics

65.7%
Allow Rate
+0.7% vs TC avg
773
Total Applications
+36.5%
Interview Lift
1118
Avg Prosecution Days
Based on 738 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
5.5%
§102 Novelty
67.1%
§103 Obviousness
16.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18537425 VARIEGATED POLYMER-BASED MATERIALS Final Rejection The AZEK Group LLC
18850925 METHOD AND SYSTEM FOR MANUFACTURING TIRE MEMBER Non-Final OA THE YOKOHAMA RUBBER CO., LTD.
17799701 THREE-DIMENSIONAL PRINTING WITH CHARGED YELLOW WATER-SOLUBLE DYE-BASED FUSING AGENT Non-Final OA Hewlett-Packard Development Company, L.P.
18306876 HEAT TREATMENT TOOLING FIXTURE TEMPERATURE CONTROL SYSTEMS AND METHODS Final Rejection Rohr, Inc.
18873620 METHOD FOR PRODUCING A VEHICLE INTERIOR COMPONENT Non-Final OA LEAR CORPORATION
18549770 METHODS, SYSTEMS, AND DEVICES FOR GENERATING DEFINED FIBER CONSTRUCTS Non-Final OA Arizona Board of Regents on Behalf of The University of Arizona
17445851 EXTRUSION MOLDING MACHINE AND METHOD FOR PRODUCING MOLDED BODY Final Rejection NGK INSULATORS, LTD.
17132323 EXTRUSION MOLDING MACHINE, AND METHOD FOR PRODUCING MOLDED BODY Non-Final OA NGK INSULATORS, LTD.
17999837 METAL MEMBER, AND METHOD FOR PROCESSING RUBBER MATERIAL USING DEVICE COMPRISING SAID METAL MEMBER Non-Final OA KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
17813153 PLANT FOR MAKING OF MELT-BLOWN TYPE NON-WOVEN FABRIC Non-Final OA Fratelli Ceccato Milano S.R.L.
18756320 System for Producing a Blown Film Non-Final OA Windmöller & Hölscher KG
18298872 METHOD FOR CHANGING THE MATERIAL IN AN EXTRUSION DEVICE Non-Final OA Windmöller & Hölscher KG
18047549 METHODS FOR OPTIMIZED EXTRUDER STARTUP Non-Final OA ExxonMobil Chemical Patents Inc.
18282722 METHOD FOR PRODUCING A STABILISER COMPOSITION FOR A POLYMER, AND STABILISER COMPOSITION PRODUCED USING SAID METHOD Non-Final OA Akdeniz Chemson Additives AG
18700720 PVC FLOORING, AND PRODUCTION LINE AND PREPARATION METHOD THEREOF Non-Final OA WUXI BOYU PLASTIC MACHINERY CO., LTD.
18104896 APPARATUS AND METHODS FOR MANUFACTURING BIODEGRADABLE, COMPOSTABLE, DRINK STRAWS FROM POLYHYDROXYALKANOATE MATERIAL Non-Final OA MEREDIAN BIOPLASTICS, INC.
18009177 DEVICE AND METHOD FOR PRODUCING A MOLDED BODY FROM A FIBER MATERIAL Final Rejection ME, MYSELF & ASSETS GMBH
17797139 3D PRINTING MACHINE AND MANUFACTURING METHOD Non-Final OA THINKING ADDITIVE LIMITED
17334074 METHOD OF PROCESSING SOLID POLYMER PARTICLES OF A POLYCONDENSATE BY MEANS OF A MULTI-ROTATION SYSTEM Non-Final OA Gneuss GmbH

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