Prosecution Insights
Last updated: October 27, 2026

Vivian Florence Crum, USPTO Patent Examiner

Listed by the USPTO as CRUM, VIVIAN FLORENCE

Tech Center 1700 • Art Units: 1738

This examiner grants 100% of resolved cases

Analysis

CRUM, VIVIAN FLORENCE works in USPTO Technology Center 1700 and art unit 1738. The available record contains 1 resolved case, with a 100.0% allowance rate and a 0.0% interview lift. The median time to allowance is 1011 days. The single matter does not support broad predictions, and the available record shows no measured interview association.

The principal companies are Semiconductor Energy Laboratory Co., Ltd., University of Central Florida Research Foundation Inc., and Arkema France. The leading firms are Bell & Manning, LLC, BIRCH STEWART KOLASCH & BIRCH, LLP, and BUCHANAN, INGERSOLL & ROONEY PC. These names describe the participants in the available matter.

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

Performance Statistics

100.0%
Allow Rate
+35.0% vs TC avg
17
Total Applications
+0.0%
Interview Lift
1011
Avg Prosecution Days
Based on 1 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
15.6%
§102 Novelty
43.8%
§103 Obviousness
34.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18442586 METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM ION BATTERY Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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Frequently Asked Questions

What is examiner Vivian Florence Crum's allowance rate?

100.0% of resolved applications examined by Vivian Florence Crum were allowed (1 resolved cases), compared with 72.5% across Art Unit 1738 over the last five years.

Does an interview help with examiner Vivian Florence Crum?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Vivian Florence Crum take to allow a patent?

Applications allowed by Vivian Florence Crum took 1,011 days on average from filing to allowance.

Which art unit does examiner Vivian Florence Crum work in?

Vivian Florence Crum examines applications in Art Unit 1738 in Tech Center 1700 (Chemistry & Materials).

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