Prosecution Insights
Last updated: October 27, 2026

Jonathan M Peo, USPTO Patent Examiner

Listed by the USPTO as PEO, JONATHAN M

Tech Center 1700 • Art Units: 1778 1779

This examiner grants 48% of resolved cases

Analysis

PEO, JONATHAN M has resolved 459 cases in Tech Center 1700 and Art Unit 1778. The allowance rate is 48.4%, and the median time to allowance is 1377 days. The data indicates a challenging allowance profile coupled with an extended timeline, making claim differentiation and prosecution sequencing important practical concerns.

The interview lift is 47.6%, indicating a strong positive association between interviews and allowance outcomes in the recorded matters. Fresenius Medical Care Deutschland GmbH, Thermo Fisher Scientific, and Gambro Lundia AB are the leading companies. OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., Egbert, McDaniel & Swartz, PLLC, and MCDONNELL BOEHNEN HULBERT & BERGHOFF LLP are the listed firms. A well-supported interview may be particularly relevant.

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

Performance Statistics

48.4%
Allow Rate
-16.6% vs TC avg
519
Total Applications
+47.6%
Interview Lift
1377
Avg Prosecution Days
Based on 459 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
11.1%
§102 Novelty
57.1%
§103 Obviousness
29.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
18728601 Concentration Method and Concentration System for Raw Material Liquid Non-Final OA ASAHI KASEI KABUSHIKI KAISHA
18270625 DEVICE AND METHOD FOR STERILISING A FLUID FLOWING THERETHROUGH Final Rejection OSRAM GmbH
18289374 HOLLOW-FIBRE MEMBRANE FILTER HAVING IMPROVED SEPARATION PROPERTIES Non-Final OA FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
18034201 VALVE DEVICE, EFFLUENT BAG AND METHODS Final Rejection Fresenius Medical Care Deutschland GmbH
17642968 SELECTIVE REMOVAL OF CHARGED SPECIES Final Rejection Oxford University Innovation Limited
18685333 A METHOD FOR DECREASING FEED IMPURITIES Final Rejection Neste Oyj
18293639 CHROMATOGRAPHIC BED INSERT Non-Final OA JSR Corporation
18727188 WINDING FILTER Final Rejection NIPPON KAYAKU KABUSHIKI KAISHA

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Frequently Asked Questions

What is examiner Jonathan M Peo's allowance rate?

48.4% of resolved applications examined by Jonathan M Peo were allowed (459 resolved cases), compared with 48.6% across Art Unit 1778 over the last five years.

Does an interview help with examiner Jonathan M Peo?

This examiner's interview lift is +47.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Jonathan M Peo take to allow a patent?

Applications allowed by Jonathan M Peo took 1,377 days on average from filing to allowance.

Which art unit does examiner Jonathan M Peo work in?

Jonathan M Peo examines applications in Art Unit 1778 in Tech Center 1700 (Chemistry & Materials).

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