Prosecution Insights
Last updated: October 26, 2026

Christopher J Boswell, USPTO Patent Examiner

Listed by the USPTO as BOSWELL, CHRISTOPHER J

Tech Center 3700 • Art Units: 3673 3675 3735

This examiner grants 68% of resolved cases

Analysis

BOSWELL, CHRISTOPHER J works in tech center 3700 and art unit 3673. With 1165 resolved cases, the profile provides a substantial examination record. The allowance rate is 67.6%, the interview lift is 26.0%, and the median time to allowance is 973 days. Together, the figures show a meaningful association between interviews and improved allowance results within a moderately favorable allowance portfolio.

The leading companies are Dewalch Technologies Inc., Assa Abloy AB, and Evidence Tools Company Inc. Regularly appearing firms include Dickinson Wright PLLC - Troy, Hawaii Patent Services, and OLIFF PLC. Practitioners can use the profile to support structured interview preparation while planning for a prosecution path that commonly extends beyond 973 days.

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

Performance Statistics

67.6%
Allow Rate
-2.4% vs TC avg
1,187
Total Applications
+26.0%
Interview Lift
973
Avg Prosecution Days
Based on 1165 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
48.7%
§102 Novelty
30.5%
§103 Obviousness
14.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19444998 HANDLE RETURN ASSEMBLY AND HANDLE FOR A DOOR OR WINDOW Non-Final OA Uhlmann & Zacher GmbH
19325225 ELECTRONIC LOCK WITH MORTISE INSERT Non-Final OA ASSA ABLOY Americas Residential Inc.
19304845 REKEYABLE LOCK CYLINDER Non-Final OA ASSA ABLOY Americas Residential Inc.

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Frequently Asked Questions

What is examiner Christopher J Boswell's allowance rate?

67.6% of resolved applications examined by Christopher J Boswell were allowed (1,165 resolved cases), compared with 46.4% across Art Unit 3673 over the last five years.

Does an interview help with examiner Christopher J Boswell?

This examiner's interview lift is +26.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christopher J Boswell take to allow a patent?

Applications allowed by Christopher J Boswell took 973 days on average from filing to allowance.

Which art unit does examiner Christopher J Boswell work in?

Christopher J Boswell examines applications in Art Unit 3673 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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