Prosecution Insights
Last updated: April 19, 2026

Repligen Corporation

4 pending office actions

Portfolio Summary

4
Total Pending OAs
3
Final Rejections
1
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18901774 PNEUMATIC ACTUATOR ASSEMBLY FOR REDUCED DEAD LEG LE, MINH Q 3753 Final Rejection Sep 30, 2024
18200112 RECOVERY OF PERFUSION BLEED PRODUCT VIA ALTERNATING TANGENTIAL FLOW FILTRATION IN A SEDIMENTATION REACTOR CARREON, ADRIAN JOHN 1799 Non-Final OA May 22, 2023
18071899 VESSEL, SYSTEM, AND ASSOCIATED METHOD FOR PRODUCT CONCENTRATION PATEL, PRANAV N 1777 Final Rejection Nov 30, 2022
17719850 SYSTEMS AND METHODS FOR TANGENTIAL FLOW DEPTH FILTRATION HUANG, RYAN 1777 Final Rejection Apr 13, 2022

Managing Repligen Corporation's Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

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