Prosecution Insights
Last updated: October 02, 2026

Examiner: SKOWRONEK, KARLHEINZ R

Tech Center 3700 • Art Units: 1631 1654 1658 1671 1676 1687 3746

This examiner grants 21% of resolved cases

Analysis

Karlheinz R. Skowronek has resolved 262 cases in Art Unit 1631. The allowance rate is 21.4 percent. The interview lift is 35.5 percent. This data indicates a difficult environment where the baseline for allowance is low, but interviews provide a very strong boost to the probability of success.

The median time to allowance is 1632 days. This long pendency and the 21.4 percent allowance rate suggest a rigorous examination process. Practitioners should use the 35.5 percent interview lift as a primary strategy to navigate the 1632-day timeline and improve their chances of allowance.

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

Performance Statistics

21.4%
Allow Rate
-48.6% vs TC avg
332
Total Applications
+35.5%
Interview Lift
1632
Avg Prosecution Days
Based on 262 resolved cases, 2023–2026

Rejection Statute Breakdown

26.8%
§101 Eligibility
9.3%
§102 Novelty
32.8%
§103 Obviousness
23.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17829697 TECHNIQUES FOR DETERMINING RENAL PATHOPHYSIOLOGIES Non-Final OA Fresenius Medical Care Holdings, Inc.
17405289 MICROBIAL EFFICIENCY-MATRIX STABILIZATION (MEMS) ECOSYSTEM MODEL AND METHODS Non-Final OA Colorado State University Research Foundation

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