Prosecution Insights
Last updated: October 26, 2026

Sarah Pihonak, USPTO Patent Examiner

Listed by the USPTO as PIHONAK, SARAH

Tech Center 1600 • Art Units: 1617 1627

This examiner grants 61% of resolved cases

Analysis

PIHONAK, SARAH is assigned to technology center 1600 and art unit 1617. The profile covers 1513 resolved cases, with an allowance rate of 61.4%. The large record provides strong context for the outcome pattern, which shows a mixed distribution between allowance and non-allowance matters.

The median time to allowance is 1028 days. Interview lift is 42.4%, indicating a strong positive association between interviews and allowance. Interviews appear particularly important as a mechanism for addressing prosecution barriers in this record.

The recurring companies are ThermoLife International LLC, The University of British Columbia, and Regents of the University of Minnesota. The listed firms are BOOTH UDALL, PLC, COOLEY LLP, and ARENTFOX SCHIFF LLP. Practitioners should combine careful claim positioning with an active interview strategy and planning for a prosecution period exceeding two years.

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

Performance Statistics

61.4%
Allow Rate
+1.4% vs TC avg
1,558
Total Applications
+42.4%
Interview Lift
1028
Avg Prosecution Days
Based on 1513 resolved cases, 2023–2026

Rejection Statute Breakdown

2.2%
§101 Eligibility
10.3%
§102 Novelty
39.3%
§103 Obviousness
23.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18548797 METHOD OF INCREASING THE POPULATION OF BLAUTIA SPP. IN THE GUT MICROBIOME Non-Final OA DSM IP Assets B.V.

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Frequently Asked Questions

What is examiner Sarah Pihonak's allowance rate?

61.4% of resolved applications examined by Sarah Pihonak were allowed (1,513 resolved cases), compared with 34.1% across Art Unit 1617 over the last five years.

Does an interview help with examiner Sarah Pihonak?

This examiner's interview lift is +42.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sarah Pihonak take to allow a patent?

Applications allowed by Sarah Pihonak took 1,028 days on average from filing to allowance.

Which art unit does examiner Sarah Pihonak work in?

Sarah Pihonak examines applications in Art Unit 1617 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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