Prosecution Insights
Last updated: October 27, 2026

Dant B Shaifer Harriman, USPTO Patent Examiner

Listed by the USPTO as SHAIFER HARRIMAN, DANT B

Tech Center 2400 • Art Units: 2134 2431 2434

This examiner grants 81% of resolved cases

Analysis

SHAIFER HARRIMAN, DANT B works in Tech Center 2400 and Art Unit 2134, with 796 resolved cases. The allowance rate is 81.2%, and the median time to allowance is 1068 days. The interview lift is 17.5%, indicating a positive association between interviews and allowance outcomes. No art unit comparison is supplied, so the profile is most useful for setting expectations for this examiner rather than drawing unit-wide conclusions.

The leading companies are Divx LLC, Snap Inc., and Texas Instruments Incorporated. The principal firms are KPPB LLP, Daylight Law, P.C., and FERENCE & ASSOCIATES LLC. Applicants can plan around a generally favorable allowance result while recognizing that prosecution may extend beyond the median period. Interviews may support progress, but the record favors a balanced strategy combining examiner engagement with precise claim amendments and strong written explanations.

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

Performance Statistics

81.2%
Allow Rate
+23.2% vs TC avg
818
Total Applications
+17.5%
Interview Lift
1068
Avg Prosecution Days
Based on 796 resolved cases, 2023–2026

Rejection Statute Breakdown

13.7%
§101 Eligibility
14.7%
§102 Novelty
60.1%
§103 Obviousness
5.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19270311 USER CONTACT CONTROL IN A NETWORK APPLICATION Non-Final OA Snap Inc.
18345108 Encrypted IoT Edge Communications Final Rejection Texas Instruments Incorporated

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Frequently Asked Questions

What is examiner Dant B Shaifer Harriman's allowance rate?

81.2% of resolved applications examined by Dant B Shaifer Harriman were allowed (796 resolved cases).

Does an interview help with examiner Dant B Shaifer Harriman?

This examiner's interview lift is +17.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dant B Shaifer Harriman take to allow a patent?

Applications allowed by Dant B Shaifer Harriman took 1,068 days on average from filing to allowance.

Which art unit does examiner Dant B Shaifer Harriman work in?

Dant B Shaifer Harriman examines applications in Art Unit 2134 in Tech Center 2400 (Networking & Security).

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