Prosecution Insights
Last updated: October 02, 2026

Examiner: ROELOFSE, CHRISTIAAN

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

This examiner grants 64% of resolved cases

Analysis

Christiaan Roelofse, in Tech Center 6200 and Art Unit 1732, has 25 resolved cases. The allowance rate is 64.0 percent, and the median days to allowance is 1241. These early metrics suggest a success rate and a prosecution timeline of over three years. Practitioners should be aware that with only 25 resolved cases, these statistics may evolve as more applications reach a final disposition and more data is collected.

The interview lift is 38.4 percent, suggesting that an interview is effective for these 25 resolved cases. This lift indicates that direct communication can improve the 64.0 percent base allowance rate. Practitioners should note that while the 1241-day median pendency is long, an interview can be a tool for overcoming rejections and moving the case toward a grant. In Tech Center 6200, the examiner's receptivity to verbal advocacy is a factor to leverage. The data from Art Unit 1732 highlights the importance of proactive engagement to navigate the challenges of the examination process and achieve a successful outcome.

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

Performance Statistics

64.0%
Allow Rate
+4.0% vs TC avg
55
Total Applications
+38.4%
Interview Lift
1241
Avg Prosecution Days
Based on 25 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
11.1%
§102 Novelty
54.6%
§103 Obviousness
21.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18022980 ISOPHTHALATE-BASED PLASTICIZER COMPOSITION AND RESIN COMPOSITION COMPRISING THE SAME Non-Final OA LG CHEM, LTD.
18553177 DEGRADABLE COPOLYMERS OF ENOL ETHERS WITH OLEFINIC MONOMERS Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18561725 PHOTO- AND THERMALLY CURABLE RESIN USEFUL FOR ADDITIVE MANUFACTURING Non-Final OA Stratasys, Inc
17921387 ADHESIVE COMPOSITION FOR ORGANIC FIBER CORDS, ORGANIC FIBER CORD-RUBBER COMPOSITE, AND TIRE Non-Final OA BRIDGESTONE CORPORATION
17782049 BIODEGRADABLE RESIN COMPOSITION AND PRODUCTION METHOD THEREFOR Non-Final OA HANWHA SOLUTIONS CORPORATION
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
18029383 LOW SHEEN DEEP BASE COATING COMPOSITION Final Rejection Rohm and Haas Company
18332838 HIGH MOLECULAR WEIGHT POLYMERIC DISPERSIONS Final Rejection Solenis Technologies, L.P.
18332850 HIGH MOLECULAR WEIGHT POLYMERIC DISPERSIONS WITH METAL SCAVENGER Final Rejection Solenis Technologies, L.P.
18332840 HIGH MOLECULAR WEIGHT POLYMERIC DISPERSIONS WITH TAILORED MOLECULAR WEIGHT OF POLYMERIC DISPERSANT Final Rejection SOLENIS TECHNOLOGIES CAYMAN, L.P.
18248008 METHODS FOR MODIFYING THE OPTICAL APPEARANCE OF POLYMERS Non-Final OA Lummus Novolen Technology GmbH

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month