Prosecution Insights
Last updated: May 29, 2026

Examiner: EWALD, MARIA VERONICA

Tech Center 1700 • Art Units: 1744 1754 1783 1791

This examiner grants 59% of resolved cases

Performance Statistics

58.6%
Allow Rate
-6.4% vs TC avg
325
Total Applications
+6.8%
Interview Lift
1144
Avg Prosecution Days
Based on 307 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
12.3%
§102 Novelty
81.3%
§103 Obviousness
3.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18519656 CONTINUOUS SILICA FIBER REINFORCED COMPOSITES FOR HIGH-FREQUENCY PRINTED CIRCUIT BOARD AND METHODS OF MAKING Non-Final OA CORNING INCORPORATED
18134793 GLASS ARTICLES COMPRISING SELECTIVELY PATTERNED OPAQUE LAYERS FOR LIGHT SENSORS AND DISPLAY SYSTEMS COMPRISING THE SAME Final Rejection CORNING INCORPORATED
18170059 Methods for Joining Composite Components to Form a Unitary Composite Component Non-Final OA General Electric Company
18585500 SP2-Bonded Carbon Structures Non-Final OA TEXAS INSTRUMENTS INCORPORATED
17974994 SINGLE-CRYSTALLINE STACK STRUCTURE OF TWO-DIMENSIONAL TRANSITION METAL CHALCOGENIDE AND METHOD OF FABRICATING THE SAME Non-Final OA RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
17441096 BASE MATERIAL FOR HARD SINTERED MATERIAL, HARD SINTERED MATERIAL, AND CUTTING TOOL Final Rejection MITSUBISHI MATERIALS CORPORATION
18383379 SILICON CARBIDE DIRECT SILICON SURFACE POLISH Non-Final OA ENTEGRIS, INC.
18562166 PREPREG, LAMINATED PLATE, METAL-CLAD LAMINATED PLATE, PRINTED WIRING BOARD, SEMICONDUCTOR PACKAGE, METHOD FOR MANUFACTURING PREPREG, AND METHOD FOR MANUFACTURING METAL-CLAD LAMINATED PLATE Final Rejection Resonac Corporation
18421377 RUBBER-CONTAINING ASPHALT COMPOSITIONS AND RELATED METHODS Non-Final OA BMIC LLC
18280593 SMART MECHANICAL METAMATERIALS WITH TUNABLE STIMULI-RESPONSIVE EXPANSION COEFFICIENTS Non-Final OA Northeastern University
17451204 METHOD FOR MANUFACTURING THREE-DIMENSIONAL FIRED BODY Non-Final OA NGK INSULATORS, LTD.
18512555 OH GROUP-CONTAINING PHOSPHOR-FLUORESCENT MATERIAL INCLUDING VALLEYTRONICS MATERIAL AND FLUORESCENT ORGANIC MATERIAL Non-Final OA Inha University Research and Business Foundation
18279127 DEPRESSURIZED MULTILAYERED GLASS PANEL Non-Final OA NIPPON SHEET GLASS COMPANY, LIMITED
17663956 REACTION-BONDED SILICON-CARBIDE WITH IN-SITU FORMED SILICON LAYER FOR OPTICAL FINISHING Non-Final OA II-VI Delaware, Inc.
18479257 ARTICLES OF MANUFACTURE AND CONCRETE FORMULATIONS FOR USE THEREWITH Non-Final OA Wrmth Corp.
18566563 DIAMOND DEVICE OR STRUCTURE AND METHOD FOR PRODUCING A DIAMOND DEVICE OR STRUCTURE Final Rejection ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
17896232 GLASS MAT FACED GYPSUM BOARD AND GYPSUM SLURRY FORMED USING A PHOSPHORUS CONTAINING COMPOUND Final Rejection Gold Bond Building Products, LLC
18016237 COATED SUBSTRATES AND METHODS FOR THE PREPARATION THEREOF Final Rejection National Research Council of Canada
18558712 A METHOD FOR PRODUCING CERAMIC TILES, AND CERAMIC TILES Non-Final OA Marazzi Group SRL
18123666 ENVIRONMENTAL BARRIER COATING WITH THERMAL RESISTANCE Non-Final OA RAYTHEON TECHNOLOGIES CORPORATION
18043325 UD TAPE WITH IMPROVED PROCESSING CHARACTERISTICS AND ROUGHENED SURFACE AND METHOD FOR PRODUCTION THEREOF Non-Final OA Toray Advanced Composites
18015242 SYNTHESIS OF CARBON NANO-ONIONS BY NANODIAMOND ANNEALING AND FUNCTIONALIZATION OF CARBON MATERIALS Final Rejection ATOMIQ INC
17913762 CONDUCTIVE ELEMENT Final Rejection QUANTUM CONDUCTORS LTD
17631469 HEAT CONDUCTING SHEET AND ITS METHOD OF MANUFACTURE Non-Final OA SHOWA MARUTSUTSU COMPANY, LTD.

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