Prosecution Insights
Last updated: October 27, 2026

Christiaan Roelofse, USPTO Patent Examiner

Listed by the USPTO as ROELOFSE, CHRISTIAAN

Tech Center 6200 • Art Units: 1732 1751 1762 1787 6221

This examiner grants 65% of resolved cases

Analysis

ROELOFSE, CHRISTIAAN is assigned to USPTO Tech Center 6200 and art unit 1732. The profile contains 26 resolved cases, with a 65.4% allowance rate. Interviews show a 36.6% lift in allowance outcomes. The median time to allowance is 1231 days, indicating a prolonged prosecution timeline in the observed record.

The listed companies are Solenis Technologies L.P., Bridgestone Corporation, and The Board of Trustees of the Leland Stanford Junior University. The listed firms are LKGLOBAL | Lorenz & Kopf, LLP (Solenis), Bryan Cave Leighton Paisner LLP (DC), and Calfee, Halter & Griswold LLP. The positive interview measure supports considering examiner discussions. The relatively limited case record means practitioners should confirm any apparent pattern against the individual application history.

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

Performance Statistics

65.4%
Allow Rate
+5.4% vs TC avg
60
Total Applications
+36.6%
Interview Lift
1231
Avg Prosecution Days
Based on 26 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
13.8%
§102 Novelty
51.9%
§103 Obviousness
24.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17921387 ADHESIVE COMPOSITION FOR ORGANIC FIBER CORDS, ORGANIC FIBER CORD-RUBBER COMPOSITE, AND TIRE Non-Final OA BRIDGESTONE CORPORATION
18553177 DEGRADABLE COPOLYMERS OF ENOL ETHERS WITH OLEFINIC MONOMERS Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18162770 CORROSION RESISTANCE OF RUBBER-BASED ADHESIVES AND SEALANTS Final Rejection Henkel AG & Co. KGaA
18183572 RUBBER-GRAPHENE COMPOSITE AND METHOD FOR PRODUCING THE SAME Final Rejection Ford Global Technologies, LLC
18561725 PHOTO- AND THERMALLY CURABLE RESIN USEFUL FOR ADDITIVE MANUFACTURING Non-Final OA Stratasys, Inc
17786317 RUBBER COMPOSITION Final Rejection COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
18262030 A METHOD OF IMPROVING WATER WASHOUT RESISTANCE OF AN EXTERIOR COATING COMPOSITION AND EXTERIOR COATING COMPOSITIONS HAVING IMPROVED WATER WASHOUT RESISTANCE Final Rejection Dow Global Technologies LLC
18022980 ISOPHTHALATE-BASED PLASTICIZER COMPOSITION AND RESIN COMPOSITION COMPRISING THE SAME Non-Final OA LG CHEM, LTD.
18029383 LOW SHEEN DEEP BASE COATING COMPOSITION Final Rejection Rohm and Haas Company

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Frequently Asked Questions

What is examiner Christiaan Roelofse's allowance rate?

65.4% of resolved applications examined by Christiaan Roelofse were allowed (26 resolved cases), compared with 53.6% across Art Unit 1732 over the last five years.

Does an interview help with examiner Christiaan Roelofse?

This examiner's interview lift is +36.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Christiaan Roelofse take to allow a patent?

Applications allowed by Christiaan Roelofse took 1,231 days on average from filing to allowance.

Which art unit does examiner Christiaan Roelofse work in?

Christiaan Roelofse examines applications in Art Unit 1732 in Tech Center 6200.

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