Prosecution Insights
Last updated: April 19, 2026

Examiner: MATZEK, MATTHEW D

Tech Center 3600 • Art Units: 1600 1786 1789 1794 3633

This examiner grants 45% of resolved cases

Performance Statistics

45.4%
Allow Rate
-6.6% vs TC avg
750
Total Applications
+38.4%
Interview Lift
1462
Avg Prosecution Days
Based on 702 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
15.7%
§102 Novelty
54.9%
§103 Obviousness
19.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17286120 ENVIRONMENTALLY RESPONSIVE BI-COMPONENT META FIBER TEXTILES AND METHODS OF MANUFACTURE Final Rejection NORTH CAROLINA STATE UNIVERSITY
18215558 WOVEN FABRICS FOR COMPOSITE COMPONENTS Non-Final OA ROLLS-ROYCE PLC
18471262 DEVICES, SYSTEMS, AND METHODS Non-Final OA P Tech, LLC
18518020 COMPOSITE STRUCTURE, FLEXIBLE DISPLAY ASSEMBLY, AND FOLDABLE TERMINAL Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18254928 COMPOSITE MATERIAL, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING REINFORCING FIBER BASE MATERIAL Non-Final OA NITTA CORPORATION
18038006 INSULATED ELECTRIC WIRE AND CABLE FOR INFORMATION TRANSMISSION Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18120243 COMPOSITE PROPULSION SYSTEM CASE AND METHOD FOR FORMING SAME Non-Final OA Rohr, Inc.
18712049 ECCENTRIC CORE-SHEATH COMPOSITE FALSE TWISTED YARN AND WOVEN/KNITTED FABRIC USING SAME Non-Final OA Toray Industries, inc.
18878696 SUPER-TOUGH CELLULOSE AEROGEL FIBER AS WELL AS PREPARATION METHOD AND USE THEREOF Non-Final OA SUZHOU INSTITUTE OF NANO-TECH AND NANO-BIONICS (SINANO) , CHINESE ACADEMY OF SCIENCES
18009678 FIBER REINFORCED THERMOPLASTIC MATRIX COMPOSITE MATERIAL Final Rejection Cytec Industries Inc.
18109576 SHEET AND APPARATUS AND METHOD FOR MANUFACTURING SAME Final Rejection BESTWAY INFLATABLES & MATERIAL CORP.
18259355 ROOF SYSTEM Non-Final OA ROCKWOOL A/S
17437449 INSULATION ELEMENT FOR THERMAL AND/OR ACOUSTIC INSULATION OF A FLAT OR FLAT INCLINED ROOF AND METHOD FOR PRODUCING AN INSULATION ELEMENT Non-Final OA Rockwool A/S
18711721 URETHANE RESIN COMPOSITION, SYNTHETIC LEATHER, AND METHOD FOR PRODUCING SYNTHETIC LEATHER Non-Final OA DIC CORPORATION
18554663 INFRARED ABSORBING FIBER AND FIBER PRODUCT Final Rejection SUMITOMO METAL MINING CO., LTD.
17798791 STITCHED FIBER-REINFORCED SUBSTRATE MATERIAL, PREFORM MATERIAL, FIBER REINFORCED COMPOSITE MATERIAL, AND MANUFACTURING METHOD FOR SAME Non-Final OA Teijin Limited
18073906 FUNCTIONALIZATION OF FOREIGN MATTERS IN LYOCELL-METHODS AND MOLDED BODIES THEREOF Final Rejection LENZING AKTIENGESELLSCHAFT
18263892 STAB PROOF MATERIAL IN ROLL FORM, METHOD AND PLANT FOR THE PRODUCTION THEREOF Final Rejection SAATI S.P.A.
18687858 FIBER REINFORCED POLYMER AND METAL DUCTILITY FUSE FOR REINFORCING CONCRETE MEMBERS Non-Final OA Kansas State University Research Foundation
18559269 STRETCHABLE FLAME RESISTANT MATERIALS Non-Final OA W. L. Gore & Associates GmbH
18222677 Articles and Methods for Manufacture of Nanostructure Reinforced Composites Final Rejection NAWA AMERICA, INC.
18025156 SUPERHYDROPHOBIC COMPOSITE AND MULTIFUNCTIONAL APPLICATIONS THEREOF Non-Final OA Council of Scientific & Industrial Research
18037351 SANDWICH PANEL FOR PROTECTIVE COVER OF BATTERY PACK FOR ELECTRIC VEHICLE, MANUFACTURING METHOD THEREFOR, AND PROTECTIVE COVER OF ELECTRIC VEHICLE BATTERY PACK COMPRISING SAME Non-Final OA LX Hausys, Ltd.
18040044 SEMI-FINISHED PRODUCT Final Rejection SGL CARBON SE
17605199 NONWOVEN WATER DISPERSIBLE ARTICLE FOR UNIT DOSE PACKAGING Final Rejection MONOSOL, LLC
17282437 MULTILAYER NONWOVEN FABRIC, STRETCHABLE MULTILAYER NONWOVEN FABRIC, FIBER PRODUCT, ABSORBENT ARTICLE, AND SANITARY MASK Final Rejection MITSUI CHEMICALS ASAHI LIFE MATERIALS CO., LTD.
17822270 REBAR TIE WIRE WITH BONDED COATING AND METHOD OF MAKING THE SAME Non-Final OA American Wire Tie, Inc.
17770767 COMPOSITE PANELS AND PARTS Non-Final OA Arrival Limited
17439683 FLOOR FINISHING MATERIAL Non-Final OA LONSEAL CORPORATION

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