Prosecution Insights
Last updated: October 02, 2026

Examiner: MARCHESCHI, MICHAEL A

Tech Center 1700 • Art Units: 1637 1638 1755 1758 1775 1793 1796 1799

This examiner grants 20% of resolved cases

Analysis

Michael A. Marcheschi has resolved 100 cases in Art Unit 1637 within Tech Center 1700. His allowance rate is 20.0%, which suggests a rigorous examination process for applications in this biotechnology and chemical sector. Practitioners should prepare for a potentially long prosecution timeline, as the median days to allowance for this examiner is 1321. This 1321-day pendency is a critical factor for applicants to consider when planning their strategy.

The data indicates that interviews are a useful tool for overcoming rejections with Marcheschi. He shows an interview lift of 17.9%, which represents the increase in the likelihood of allowance when an interview is conducted. Given the 20.0% baseline allowance rate and 100 resolved cases, engaging in direct dialogue may be a critical strategy for advancing applications toward a successful resolution. Practitioners should use this 17.9% lift to improve their 20.0% chance of success in Art Unit 1637.

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

Performance Statistics

20.0%
Allow Rate
-45.0% vs TC avg
118
Total Applications
+17.9%
Interview Lift
1321
Avg Prosecution Days
Based on 100 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
15.8%
§102 Novelty
53.6%
§103 Obviousness
24.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17799606 CELL CULTURE VESSEL Non-Final OA LG ELECTRONICS INC.
18328967 Portable Closed System for Culturing Cells Using Small Volumes of Capillary Blood Non-Final OA Northwestern University
18558892 Methods and Systems for Single-Step Decontamination and Enzymatic Degradation of Bio-Based Polymers Non-Final OA Kimberly-Clark Worldwide, Inc.
18229636 BIOLOGICAL SPECIMEN INCUBATOR Non-Final OA Analog Devices, Inc.
17998011 METHODS FOR ORGANOIDS PRODUCTION Non-Final OA CITY OF HOPE
18508563 Addressable Microfluidics Systems and Methods for In Vivo Applications Final Rejection New Jersey Institute of Technology
18114060 GROWTH SYSTEM AND METHOD FOR FUNGAL BIOMASS Non-Final OA Mushlabs GmBH

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