Prosecution Insights
Last updated: October 02, 2026

Examiner: PEO, JONATHAN M

Tech Center 1700 • Art Units: 1778 1779

This examiner grants 48% of resolved cases

Analysis

Jonathan M Peo works in Art Unit 1778 of Tech Center 1700. The examiner has managed 456 resolved cases. The allowance rate for these cases is 48.2 percent. This percentage shows that nearly half of the applications reach allowance. The examiner's history in this unit offers a clear view of typical prosecution outcomes.

The interview lift is 48.1 percent, which represents a substantial improvement over the overall allowance rate of 48.2 percent. This suggests that conducting an interview is a very productive strategy for practitioners. Successful applications have a median time to allowance of 1377 days. This pendency figure provides a benchmark for the duration of the prosecution process.

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

Performance Statistics

48.2%
Allow Rate
-16.8% vs TC avg
501
Total Applications
+48.1%
Interview Lift
1377
Avg Prosecution Days
Based on 456 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
10.8%
§102 Novelty
58.0%
§103 Obviousness
29.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18721419 LIQUID-LIQUID EXTRACTION COLUMN WITH VARIABLE INTER-TRAY SPACE Non-Final OA IFP ENERGIES NOUVELLES
18602164 Dialysis Devices And Sensor Caps And Systems And Methods Incorporating The Same Final Rejection Life Technologies Corporation
18067711 METHOD FOR THE SEPARATION OF ANIONIC, CATIONIC, NEUTRAL AND ZWITTERIONIC ARSENIC SPECIES Final Rejection DIONEX CORPORATION
18610825 COOLANT RESERVOIR INCLUDING ION FILTER Non-Final OA KIA CORPORATION
18555612 VIRAL FILTRATION MEDIA, ARTICLES, AND METHODS Non-Final OA Solventum Intellectual Properties Company
18289374 HOLLOW-FIBRE MEMBRANE FILTER HAVING IMPROVED SEPARATION PROPERTIES Final Rejection FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
18034201 VALVE DEVICE, EFFLUENT BAG AND METHODS Final Rejection Fresenius Medical Care Deutschland GmbH
17798567 FLUID FLOW CONTROL OF A BLOOD TREATMENT DEVICE Final Rejection FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
18447780 Pressure Output Device for Extracorporeal Hemodialysis Machine Non-Final OA Fresenius Medical Care Holdings, Inc.
18728601 Concentration Method and Concentration System for Raw Material Liquid Non-Final OA ASAHI KASEI KABUSHIKI KAISHA
18055799 FLUID SENSOR SYSTEM Final Rejection Analog Devices International Unlimited Company
18108091 PACKAGE FOR AN ACIDIC DIALYSIS FLUID CONCENTRATE CONTAINING CITRATE AND GLUCOSE Non-Final OA GAMBRO LUNDIA AB
17642968 SELECTIVE REMOVAL OF CHARGED SPECIES Final Rejection Oxford University Innovation Limited
18727188 WINDING FILTER Final Rejection NIPPON KAYAKU KABUSHIKI KAISHA
17770494 A WATER PURIFICATION APPARATUS, AND A METHOD FOR COOLING A RO-MEMBRANE IN A WATER PURIFICATION APPARATUS Non-Final OA Vantive Health GmbH
17800529 DIALYSIS MACHINE AND METHOD FOR RINSING SAME Final Rejection PHYSIDIA

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