Prosecution Insights
Last updated: April 19, 2026

Examiner: PLESZCZYNSKA, JOANNA

Tech Center 1700 • Art Units: 1746 1783

This examiner grants 53% of resolved cases

Performance Statistics

53.4%
Allow Rate
-11.6% vs TC avg
707
Total Applications
+28.6%
Interview Lift
1219
Avg Prosecution Days
Based on 668 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
11.2%
§102 Novelty
55.8%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17289924 COMPOSITE ACTUATOR Non-Final OA President and Fellows of Harvard College
18265148 OPTIMIZED SHAPE FOR IMPROVED PERFORMANCE AND RELIABILITY FOR GLASS ARTICLES MADE WITH COLD FORM METHOD Non-Final OA CORNING INCORPORATED
18034851 VACUUM ADIABATIC BODY Non-Final OA LG ELECTRONICS INC.
18034825 VACUUM ADIABATIC BODY Non-Final OA LG ELECTRONICS INC.
18034752 VACUUM ADIABATIC BODY AND METHOD FOR MANUFACTURING THE VACUUM ADIABATIC BODY Non-Final OA LG ELECTRONICS INC.
18627544 METHODS FOR ENCAPSULATING SILVER MIRRORS ON OPTICAL STRUCTURES Non-Final OA Applied Materials, Inc.
18441347 MOLDED/BACK-INJECTED TRIM PANELS Non-Final OA Tesla, Inc.
18627147 POLYDOPAMINE COMPOSITE MATERIAL AND MANUFACTURING METHOD THEREOF Non-Final OA KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
19170913 SUSTAINABLE WATER ACTIVATED ADHESIVE TAPE Non-Final OA Intertape Polymer Corp.
17991080 REINFORCING ELEMENT, SYSTEM OF A REINFORCED STRUCTURAL ELEMENT AND METHOD FOR REINFORCING A STRUCTURAL ELEMENT Final Rejection SIKA TECHNOLOGY AG
18285347 SYNTHETIC LEATHER Non-Final OA Dow Global Technologies LLC
18574328 METHOD FOR MANUFACTURING LAMINATE SHAPED TO HAVE IRREGULARITIES, LAMINATE FOR SHAPING IRREGULARITIES, AND LAMINATE SHAPED TO HAVE IRREGULARITIES Final Rejection INOAC CORPORATION
18806354 METHOD FOR PRODUCING A DECORATIVE ELEMENT, WHICH HAS A FUNCTIONAL OPENING, FOR A MOTOR VEHICLE, AND DECORATIVE ELEMENT Non-Final OA Lisa Dräxlmaier GmbH
18263343 LIQUID CRYSTAL FILM FOR AUTOMOTIVE GLASS Non-Final OA WICUE USA INC.
17795781 STRENGTHENED GLASS PLATE AND GLASS PLATE FOR STRENGTHENING Non-Final OA Nippon Electric Glass Co., Ltd.
18570449 MINERAL FIBRE REINFORCEMENT FOR FLEXIBLE FLOOR COVERING SLABS Non-Final OA GERFLOR
18605985 Joint and a device for joining fiber web ends Final Rejection Valmet Technologies Oy
18675265 LASER WELDING STRUCTURE FOR THERMOSETTING RESIN INCLUDING GLASS FIBER Non-Final OA COAVIS
18396709 MAT MATERIAL, EXHAUST GAS PURIFICATION DEVICE, AND METHOD FOR PRODUCING MAT MATERIAL Final Rejection IBIDEN CO., LTD.
18571459 CERAMIC MATRIX COMPOSITES AND METHOD OF MAKING Final Rejection RAYTHEON TECHNOLOGIES CORPORATION
18522359 MULTI-LAYERED SKATES Non-Final OA PUFENG NEW TECHNOLOGY MATERIALS CO., LTD.
18549531 INSULATING AND CONSTRUCTION ELEMENTS BASED ON RENEWABLE MATERIALS Non-Final OA Ewald Dörken AG
18264874 COMPOSITE MATERIAL AND METHOD FOR FORMING THE COMPOSITE MATERIAL Final Rejection DUPONT SPECIALTY PRODUCTS USA, LLC
18231402 COMPOSITE STRUCTURES AND METHODS OF FORMING COMPOSITE STRUCTURES Non-Final OA ASTRO TECH CO., LTD.
16752852 FUNCTIONAL COMPOSITE GARMENT MATERIALS Non-Final OA XEFCO PTY LTD
18332956 PARABOLIC AIRCRAFT IMPACT ABSORBING MATERIAL Final Rejection MU-G Technologies, LLC
18078445 COATED STEEL SHEET AND HOME APPLIANCE USING THE SAME Non-Final OA Won Goo KANG
17684043 MESH AND USES THEREOF Non-Final OA Surgical Innovation Associates, Inc.

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