Prosecution Insights
Last updated: October 26, 2026

Meredith Abbott Vassell, USPTO Patent Examiner

Listed by the USPTO as VASSELL, MEREDITH ABBOTT

Tech Center 3700 • Art Units: 1624 1671 1687 3796

This examiner grants 30% of resolved cases

Analysis

VASSELL, MEREDITH ABBOTT has resolved 67 cases in technology center 3700 and art unit 1624. The allowance rate is 29.9%, and the median time to allowance is 1726 days. Interviews are associated with a 45.8% lift in the allowance rate. The limited record should temper broad conclusions, but the interview figure is a notable feature of the available data.

Dana-Farber Cancer Institute Inc., Grail LLC, and Covidien L.P. are the listed leading companies. BENESCH, FRIEDLANDER, COPLAN & ARONOFF LLP, BLANK ROME LLP, and Bond Schoeneck & King, PLLC are the listed leading firms. Practitioners can use the profile for focused preparation, especially when assessing whether an interview may support progress in a challenging docket.

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

Performance Statistics

29.9%
Allow Rate
-40.1% vs TC avg
107
Total Applications
+45.8%
Interview Lift
1726
Avg Prosecution Days
Based on 67 resolved cases, 2023–2026

Rejection Statute Breakdown

32.4%
§101 Eligibility
3.9%
§102 Novelty
30.1%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17779397 ENERGY-BASED SURGICAL SYSTEMS AND METHODS BASED ON AN ARTIFICIAL-INTELLIGENCE LEARNING SYSTEM Final Rejection COVIDIEN LP
18029612 BIOLOGICAL PARTICLE SORTING DEVICE, BIOLOGICAL PARTICLE SORTING SYSTEM, AND INFORMATION PROCESSING DEVICE Non-Final OA Sony Group Corporation
18146123 MACHINE LEARNING SOLUTION TO PREDICT PROTEIN CHARACTERISTICS Non-Final OA MICROSOFT TECHNOLOGY LICENSING, LLC
18330283 CARDIAC SHUNT DEVICE TO MINIMIZE DISRUPTION AND ENHANCE NATURAL FLOW PATTERNS OF BLOOD THROUGH THE HEART Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18372896 SEMI-EMPIRICAL WATER MODEL FOR SIMULATING CHEMICAL REACTIONS IN WATER Non-Final OA International Business Machines Corporation
18330737 SYSTEMS AND METHODS FOR IDENTIFYING SEQUENCE VARIATION Non-Final OA LIFE TECHNOLOGIES CORPORATION
18471808 SAMPLE QUANTIFICATION CONSISTENCY AND CLASSIFICATION WORKFLOW Non-Final OA Waters Technologies Corporation

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Frequently Asked Questions

What is examiner Meredith Abbott Vassell's allowance rate?

29.9% of resolved applications examined by Meredith Abbott Vassell were allowed (67 resolved cases), compared with 54.6% across Art Unit 1624 over the last five years.

Does an interview help with examiner Meredith Abbott Vassell?

This examiner's interview lift is +45.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Meredith Abbott Vassell take to allow a patent?

Applications allowed by Meredith Abbott Vassell took 1,726 days on average from filing to allowance.

Which art unit does examiner Meredith Abbott Vassell work in?

Meredith Abbott Vassell examines applications in Art Unit 1624 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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