Prosecution Insights
Last updated: October 13, 2026

Lora E Barnhart Driscoll, USPTO Patent Examiner

Listed by the USPTO as DRISCOLL, LORA E BARNHART

Tech Center 3900 • Art Units: 1600 1651 1653 3991

This examiner grants 32% of resolved cases

Analysis

Lora E. Barnhart Driscoll works in Art Unit 1600 within Tech Center 3900. The examiner has 400 resolved cases and an allowance rate of 32.0%. This rate suggests a rigorous examination process. The median days to allowance is 1783, which is a long timeline for successful prosecution.

The interview lift is 20.0%, indicating that direct communication can improve the chances of allowance compared to the 32.0% baseline. Practitioners should be prepared for a long process, given the 1783-day median duration. The 400 resolved cases provide a solid basis for these metrics.

In Tech Center 3900, the 32.0% allowance rate and 20.0% interview lift suggest that a persistent approach is necessary. The 1783-day median timeline is a key factor for planning in Art Unit 1600. These figures offer a data-grounded view of the examiner's history.

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

Performance Statistics

32.0%
Allow Rate
-28.0% vs TC avg
427
Total Applications
+20.0%
Interview Lift
1783
Avg Prosecution Days
Based on 400 resolved cases, 2023–2026

Rejection Statute Breakdown

4.6%
§101 Eligibility
29.4%
§102 Novelty
21.6%
§103 Obviousness
29.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18855981 METHOD OF MEASURING LEVEL OF IMMUNE SUPPRESSION Non-Final OA THE JOHNS HOPKINS UNIVERSITY

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Frequently Asked Questions

What is examiner Lora E Barnhart Driscoll's allowance rate?

32.0% of resolved applications examined by Lora E Barnhart Driscoll were allowed (400 resolved cases), compared with 37.9% across Art Unit 1600 over the last five years.

Does an interview help with examiner Lora E Barnhart Driscoll?

This examiner's interview lift is +20.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Lora E Barnhart Driscoll take to allow a patent?

Applications allowed by Lora E Barnhart Driscoll took 1,783 days on average from filing to allowance.

Which art unit does examiner Lora E Barnhart Driscoll work in?

Lora E Barnhart Driscoll examines applications in Art Unit 1600 in Tech Center 3900.

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