Prosecution Insights
Last updated: October 02, 2026

Examiner: ZARNEKE, DAVID A

Tech Center 2800 • Art Units: 1746 2874 2891

This examiner grants 71% of resolved cases

Analysis

David A. Zarneke is an examiner in Art Unit 1746 within Tech Center 2800. He has a history of 822 resolved cases. His allowance rate is 71.0 percent. This 71.0 percent rate suggests that the majority of applications are eventually granted. The median days to allowance is 1023. This 1023-day figure provides an expectation for the timeline in Art Unit 1746. Practitioners should use this metric for their long-term planning.

The interview lift of 11.2 percent indicates that interviews provide a measured advantage. This 11.2 percent lift can be a factor in difficult cases. With 822 resolved cases, these metrics are reliable for practitioners working in Tech Center 2800. The lift suggests that a proactive approach is beneficial. The 71.0 percent allowance rate and the 1023-day median point to a consistent examination process. Practitioners can use these figures to assess the historical performance of this examiner.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

71.0%
Allow Rate
+3.0% vs TC avg
860
Total Applications
+11.2%
Interview Lift
1023
Avg Prosecution Days
Based on 822 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
22.0%
§102 Novelty
63.9%
§103 Obviousness
4.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18665893 SEMICONDUCTOR PACKAGE Non-Final OA Samsung Electronics Co., Ltd.
18457535 SEMICONDUCTOR PACKAGE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18293834 LIGHT EMITTING DIODE CHIP AND METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE Non-Final OA BOE Technology Group Co., Ltd.
18525490 CIRCUIT DIE WITH CHAMFERED PASSIVATION LAYER Non-Final OA NXP USA, Inc.
18430395 PACKAGE COMPRISING SUBSTRATES WITH POST INTERCONNECTS Non-Final OA QUALCOMM Incorporated
18075360 SYMMETRIC DUMMY BRIDGE DESIGN FOR FLI ALIGNMENT IMPROVEMENT Final Rejection Intel Corporation
17992010 REDISTRIBUTION LAYERS IN A DIELECTRIC CAVITY TO ENABLE AN EMBEDDED COMPONENT Non-Final OA Intel Corporation
17988051 BUMPLESS HYBRID ORGANIC GLASS INTERPOSER Final Rejection Intel Corporation
17833650 GLASS CORE ARCHITECTURES WITH DIELECTRIC BUFFER LAYER BETWEEN GLASS CORE AND METAL VIAS AND PADS Non-Final OA Intel Corporation
17833648 GLASS CORE ARCHITECTURES WITH DIELECTRIC BUFFER LAYER BETWEEN GLASS CORE AND METAL VIAS AND PADS Final Rejection Intel Corporation
18366112 MEMORY, FABRICATION METHOD THEREOF AND MEMORY SYSTEM Final Rejection YANGTZE MEMORY TECHNOLOGIES CO., LTD.
18685775 SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18684565 OPTOELECTRONIC COMPONENT, LIGHTING UNIT AND METHOD OF MANUFACTURING AN OPTOELECTRONIC COMPONENT Non-Final OA ams-OSRAM International GmbH
18657165 THROUGH DIELECTRIC VIA Non-Final OA International Business Machines Corporation
18214159 CORROSION RESISTANT SINGLE DAMASCENE INTERCONNECTS Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18504309 SUBSTRATE ARRANGEMENT AND METHODS FOR PRODUCING A SUBSTRATE ARRANGEMENT Non-Final OA Infineon Technologies AG
18105309 CHIP ARRANGEMENT, CHIP PACKAGE, METHOD OF FORMING A CHIP ARRANGEMENT, AND METHOD OF FORMING A CHIP PACKAGE Non-Final OA Infineon Technologies AG
18430507 SEMICONDUCTOR DEVICE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18451263 SEMICONDUCTOR STRUCTURE Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18371179 LOW RESISTIVITY METAL STACKS AND METHODS OF DEPOSITING THE SAME Final Rejection Applied Materials, Inc.
18137514 POWER AMPLIFICATION DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA KMW INC.
19214066 COWOS IC STRUCTURE WITH EDGE-PAD SEMICONDUCTOR DIE Final Rejection ETRON TECHNOLOGY, INC.
18222776 SEMICONDUCTOR STORAGE DEVICE INCLUDING PCB EDGE HEAT DISSIPATION Final Rejection Sandisk Technologies, Inc.
18090459 DISPLAY DEVICE Final Rejection Industrial Technology Research Institute
18606922 METHODS FOR SINGULATING SEMICONDUCTOR DIE FROM SILICON CARBIDE SUBSTRATES Non-Final OA SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
18800784 SEMICONDUCTOR PACKAGE HAVING ROUTABLE ENCAPSULATED CONDUCTIVE SUBSTRATE AND METHOD Non-Final OA Amkor Technology Singapore Holding Pte. Ltd

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