Prosecution Insights
Last updated: October 27, 2026

Christian C Boesen, USPTO Patent Examiner

Listed by the USPTO as BOESEN, CHRISTIAN C

Tech Center 1600 • Art Units: 1623 1636 1639 1675 1684

This examiner grants 76% of resolved cases

Analysis

BOESEN, CHRISTIAN C is assigned to tech center 1600 and art unit 1623. The record includes 645 resolved cases, with an allowance rate of 76.0%. The median days to allowance is 1321, so applicants should account for a long prosecution timeline despite the favorable allowance result.

The interview lift is 21.1%, indicating a positive association between interviews and allowance outcomes in the record. The listed companies are Genentech Inc., Roche Sequencing Solutions Inc., and Illumina Inc. The listed firms are Clark+Elbing LLP, DLA PIPER LLP (US), and FBT Gibbons LLP. These company and firm names provide practical starting points for counsel assessing experience in the examiner's docket.

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

Performance Statistics

76.0%
Allow Rate
+16.0% vs TC avg
664
Total Applications
+21.1%
Interview Lift
1321
Avg Prosecution Days
Based on 645 resolved cases, 2023–2026

Rejection Statute Breakdown

8.8%
§101 Eligibility
17.2%
§102 Novelty
30.3%
§103 Obviousness
26.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17965363 Method for Enriching Extracellular Vesicles From Biological Fluid Samples Non-Final OA Genentech Inc.
17932885 SYSTEMS AND METHODS TO TRACK THE EVOLUTION OF SINGLE CELLS Non-Final OA Genentech, Inc.
18026734 ENGINEERED MAMALIAN GENETIC CIRCUITS AND METHODS OF USING THE SAME Non-Final OA Northwestern University
18056970 METHODS, SYSTEMS AND KITS FOR POLYPEPTIDE PROCESSING AND ANALYSIS Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
18449216 IMMUNE PROFILING BY PRIMER EXTENSION TARGET ENRICHMENT Non-Final OA Roche Sequencing Solutions, Inc.
18215555 Immuno-PETE Non-Final OA Roche Sequencing Solutions, Inc.
18242825 METHODS OF ANALYZING NUCLEIC ACIDS Non-Final OA ILLUMINA, INC.
18051966 METHODS AND COMPOSITIONS FOR PREPARING NUCLEIC ACID LIBRARIES Non-Final OA Illumina, Inc.

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Frequently Asked Questions

What is examiner Christian C Boesen's allowance rate?

76.0% of resolved applications examined by Christian C Boesen were allowed (645 resolved cases), compared with 51.3% across Art Unit 1623 over the last five years.

Does an interview help with examiner Christian C Boesen?

This examiner's interview lift is +21.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christian C Boesen take to allow a patent?

Applications allowed by Christian C Boesen took 1,321 days on average from filing to allowance.

Which art unit does examiner Christian C Boesen work in?

Christian C Boesen examines applications in Art Unit 1623 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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