Prosecution Insights
Last updated: October 27, 2026

Christine L Nelson, USPTO Patent Examiner

Listed by the USPTO as NELSON, CHRISTINE L

Tech Center 3700 • Art Units: 3772 3774 3775

This examiner grants 62% of resolved cases

Analysis

NELSON, CHRISTINE L has resolved 439 cases in Tech Center 3700 and Art Unit 3772. The allowance rate is 62.4%, and the median time to allowance is 1557 days. The record indicates a challenging allowance environment with particularly extended pendency. Applicants should make early decisions about claim scope, evidence, and continuation strategy because prosecution may require sustained attention over a long interval.

The interview lift is 33.9%, a strong positive association that supports serious consideration of interviews. 3M Company, Ornge Orthodontics Inc., and Institut Straumann AG are the leading listed companies. Harrity & Harrity, LLP, BLANK ROME LLP, and DORITY & MANNING, P.A. are the principal listed firms. Interviews may help organize amendments, but they do not eliminate the outcome risk shown by the allowance data.

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

Performance Statistics

62.4%
Allow Rate
-7.6% vs TC avg
491
Total Applications
+33.9%
Interview Lift
1557
Avg Prosecution Days
Based on 439 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
25.0%
§102 Novelty
47.1%
§103 Obviousness
21.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18266881 PRESCRIPTION ATTACHMENTS FOR REMOVABLE DENTAL APPLIANCES Non-Final OA Solventum Intellectual Properties Company
18266468 PRESCRIPTION ATTACHMENTS FOR USE IN EACH PHASE OF COMBINATION ORTHODONTIC TREATMENT Non-Final OA Solventum Intellectual Properties Company
18708762 DEVICE AND METHOD FOR DETERMINING THE POSITION OF A DENTAL IMPLANT Non-Final OA INSTITUT STRAUMANN AG

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Frequently Asked Questions

What is examiner Christine L Nelson's allowance rate?

62.4% of resolved applications examined by Christine L Nelson were allowed (439 resolved cases), compared with 39.7% across Art Unit 3772 over the last five years.

Does an interview help with examiner Christine L Nelson?

This examiner's interview lift is +33.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christine L Nelson take to allow a patent?

Applications allowed by Christine L Nelson took 1,557 days on average from filing to allowance.

Which art unit does examiner Christine L Nelson work in?

Christine L Nelson examines applications in Art Unit 3772 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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