Prosecution Insights
Last updated: October 27, 2026

Robert L Nasser, USPTO Patent Examiner

Listed by the USPTO as NASSER, ROBERT L

Tech Center 3900 • Art Units: 3735 3794 3992

This examiner grants 73% of resolved cases

Analysis

NASSER, ROBERT L has resolved 330 cases in Tech Center 3900 and Art Unit 3735. The allowance rate is 73.0%, and the median time to allowance is 1232 days. This combination indicates a meaningful but not assured path to allowance with extended prosecution timing. Applicants should use early assessment of claim scope and evidence to manage both outcome risk and pendency expectations.

The interview lift is 11.2%, supporting interviews as a possible complement to written responses where technical explanations could narrow the dispute. Boston Scientific Corporation, Medtronic Ireland Manufacturing Unlimited Company, and The Medical College of Wisconsin Inc. are the leading listed companies. Maschoff Brennan, MICHAEL BEST & FRIEDRICH LLP (Mke), and Nixon Peabody LLP are the leading listed firms.

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

Performance Statistics

73.0%
Allow Rate
+13.0% vs TC avg
354
Total Applications
+11.2%
Interview Lift
1232
Avg Prosecution Days
Based on 330 resolved cases, 2023–2026

Rejection Statute Breakdown

9.1%
§101 Eligibility
14.4%
§102 Novelty
32.3%
§103 Obviousness
25.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18887428 MEDICAL DEVICES FOR TISSUE COLLECTION AND RELATED METHODS Non-Final OA Boston Scientific Medical Device Limited
19128963 ELECTROMAGNETIC COLPOTOMY CUP SYSTEM Non-Final OA The Medical College of Wisconsin, Inc.
18651216 SYSTEMS AND METHODS FOR PROVIDING STIMULI TO AN INDIVIDUAL DURING A SLEEP SESSION Non-Final OA ResMed Sensor Technologies Limited

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Frequently Asked Questions

What is examiner Robert L Nasser's allowance rate?

73.0% of resolved applications examined by Robert L Nasser were allowed (330 resolved cases), compared with 38.6% across Art Unit 3735 over the last five years.

Does an interview help with examiner Robert L Nasser?

This examiner's interview lift is +11.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Robert L Nasser take to allow a patent?

Applications allowed by Robert L Nasser took 1,232 days on average from filing to allowance.

Which art unit does examiner Robert L Nasser work in?

Robert L Nasser examines applications in Art Unit 3735 in Tech Center 3900.

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