Added subject matter, unclear parameters - T 1184/23 and T 1440/23
Two recent decisions from the EPO’s Technical Board of Appeal (T 1184/23 and T 1440/23) highlight the complexities of drafting, prosecuting and defending chemical patent applications with parametric definitions in the claims. Our latest article explains the key takeaways from both cases, offering practical guidance for applicants navigating clarity and added subject matter requirements before the EPO.
Third-party observations during prosecution before the EPO (2)
Looking to challenge a competitor’s European patent application? This article explores practical aspects of third-party observations (TPOs) at the European Patent Office. Learn how to use TPOs tactically - timing, objections, handling of TPOs as an applicant, and more - explained by a European and UK patent attorney.
Third-party observations during prosecution before the EPO (1)
Looking to challenge a European patent application during prosecution? This article outlines how to file third-party observations (TPOs) at the European Patent Office - learn procedural steps and strategic considerations from a European and UK patent attorney.