Prosecution Insights
Last updated: August 18, 2026

Examiner: SIEFKE, SAMUEL P

Tech Center 1700 • Art Units: 1687 1758 1772 1779 1797 1798

This examiner grants 63% of resolved cases

Performance Statistics

63.0%
Allow Rate
-2.0% vs TC avg
1,075
Total Applications
+17.2%
Interview Lift
1235
Avg Prosecution Days
Based on 1047 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
38.3%
§102 Novelty
31.0%
§103 Obviousness
10.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18570752 SPACE CLEANING DEVICE Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18681676 MICROFLUIDIC CHIP, AND NUCLEIC ACID EXTRACTION METHOD USING SAME AND NUCLEIC ACID EXTRACTION DEVICE COMPRISING SAME Non-Final OA BOE Technology Group Co., Ltd.
18700511 Adhesive Film for a Microfluidic Device, Microfluidic Device with Adhesive Film, and Use of an Adhesive Film for Closing an Opening of a Microfluidic Device Non-Final OA Robert Bosch GmbH
18691378 Gas-Liquid Separator, Total Organic Carbon Analyzer, and Analysis System Non-Final OA SHIMADZU CORPORATION
17516909 INTERNAL POSITIVE CONTROL FOR DIAGNOSTIC ASSAYS Non-Final OA Analog Devices, Inc.
17968598 MICROFLUIDIC CONNECTOR GROUP, MICROFLUIDIC DEVICE AND MANUFACTURING PROCESS THEREOF, IN PARTICULAR FOR A CARTRIDGE FOR SAMPLE PREPARATION AND MOLECULE ANALYSIS Non-Final OA STMICROELECTRONICS S.r.l.

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