Prosecution Insights
Last updated: April 19, 2026

Examiner: CASTANEDA, STEVEN RAY

Tech Center 1700 • Art Units: 1797

This examiner grants 79% of resolved cases

Performance Statistics

78.8%
Allow Rate
+13.8% vs TC avg
48
Total Applications
+46.7%
Interview Lift
1329
Avg Prosecution Days
Based on 33 resolved cases, 2023–2026

Rejection Statute Breakdown

6.4%
§101 Eligibility
24.8%
§102 Novelty
45.2%
§103 Obviousness
20.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17912655 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING APPARATUS, AND INFORMATION PROCESSING METHOD Non-Final OA Sony Group Corporation
18176833 GAS SENSING DEVICE FOR SENSING ONE OR MORE GASES IN A MIXTURE OF GASES Non-Final OA Infineon Technologies AG
18182960 METHOD FOR CLASSIFYING WHITE BLOOD CELLS INTO SUBPOPULATIONS Non-Final OA SYSMEX CORPORATION
17773267 ULTRASMALL NANOPARTICLES AND METHODS OF MAKING, USING AND ANALYZING SAME Final Rejection CORNELL UNIVERSITY
18085762 MERCURY VAPOR REFERENCE Non-Final OA AMETEK, INC.
18032302 DIAGNOSTIC CARTRIDGE CAPABLE OF AUTOMATIC SOLUTION SUPPLY AND MULTIPLE DETECTION Non-Final OA QSTAG CO., LTD.
17966709 CAP FOR A PATHOGEN SAMPLE TUBE Non-Final OA Fast MDX (IP) Limited
17940722 LANCING AND BLOOD GLUCOSE LEVEL MEASURING DEVICE Final Rejection Lameditech CO., LTD.
17754492 CASING FOR CAPTURING AND ANALYSING ANIMAL URINE, DEVICE AND METHOD IMPLEMENTING SAME Final Rejection NOVANDSAT

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