Prosecution Insights
Last updated: October 26, 2026

Ellis Follett Lusi, USPTO Patent Examiner

Listed by the USPTO as LUSI, ELLIS FOLLETT

Tech Center 1600 • Art Units: 1636 1672 1677 1678

This examiner grants 64% of resolved cases

Analysis

Ellis Follett Lusi serves in Tech Center 1600 and Art Unit 1636, having resolved 75 cases. The examiner has an allowance rate of 64.0 percent. The median time to allowance is 1439 days, and the interview lift is 53.7 percent. This 53.7 percent interview lift suggests that verbal negotiation is an effective tool in this examiner's portfolio.

The Regents of the University of California and Becton, Dickinson and Company are frequent applicants. Firms like BIRCH STEWART KOLASCH & BIRCH, LLP and HAUPTMAN HAM, LLP manage the 75 resolved cases. The 53.7 percent interview lift is a strategy for practitioners seeking to secure an allowance within the 64.0 percent rate. Given the 1439-day median pendency, an interview could alter the course of prosecution. This 1439-day timeline reflects the nature of the cases handled by this examiner.

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

Performance Statistics

64.0%
Allow Rate
+4.0% vs TC avg
111
Total Applications
+53.7%
Interview Lift
1439
Avg Prosecution Days
Based on 75 resolved cases, 2023–2026

Rejection Statute Breakdown

7.2%
§101 Eligibility
15.4%
§102 Novelty
33.4%
§103 Obviousness
31.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17389675 REAGENT KIT, MEASUREMENT KIT, AND MEASUREMENT METHOD Final Rejection FUJIFILM Corporation
17279025 HIGH THROUGHPUT EPITOPE IDENTIFICATION AND T CELL RECEPTOR SPECIFICITY DETERMINATION USING LOADABLE DETECTION MOLECULES Non-Final OA 10x Genomics, Inc.
18252605 DEVELOPMENT OF A NOVEL ELISA-BASED POINT-OF-CARE ANTIGEN TEST FOR SARS-COV-2 Non-Final OA The Regents of the University of California
18029606 HIGH-THROUGHPUT METHOD FOR LP(A)-CHOLESTEROL QUANTITATION Non-Final OA The Regents of the University of California
18276885 LATERAL FLOW TEST DEVICE Non-Final OA ams-OSRAM AG
16932533 MULTIPLEX LATERAL FLOW ASSAY FOR DIFFERENTIATING BACTERIAL INFECTIONS FROM VIRAL INFECTIONS Final Rejection Becton, Dickinson and Company
16890372 LATERAL FLOW ASSAY AND METHODS FOR DETECTING HIGH CONCENTRATION ANALYTES Final Rejection Becton, Dickinson and Company
18281498 COMPOSITE PARTICLE, METHOD FOR PRODUCING SAME AND SENSOR ELEMENT Final Rejection SUMITOMO CHEMICAL COMPANY, LIMITED

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Frequently Asked Questions

What is examiner Ellis Follett Lusi's allowance rate?

64.0% of resolved applications examined by Ellis Follett Lusi were allowed (75 resolved cases), compared with 37.1% across Art Unit 1636 over the last five years.

Does an interview help with examiner Ellis Follett Lusi?

This examiner's interview lift is +53.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ellis Follett Lusi take to allow a patent?

Applications allowed by Ellis Follett Lusi took 1,439 days on average from filing to allowance.

Which art unit does examiner Ellis Follett Lusi work in?

Ellis Follett Lusi examines applications in Art Unit 1636 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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