Sequenom, Inc. v Ariosa Diagnostics, Inc.

The case before the court was between Sequenom, Inc. and Ariosa Diagnostics, Inc., with related claims involving Sonic Healthcare Limited and Clinical Labs Pty Ltd. The dispute centred around the validity and infringement of patents related to non-invasive prenatal diagnostic techniques for detecting fetal DNA in maternal serum or plasma samples, primarily for chromosomal abnormalities such as Down syndrome and Edwards syndrome, as well as for monitoring pregnancy-related conditions like pre-eclampsia. The patents in question were related to the Harmony Test, a technology developed by Sequenom. The respondents contested the validity of these patents on several grounds, including lack of inventive step, lack of utility, and lack of fair basis, while Sequenom sought to establish infringement by Ariosa, Sonic, and Clinical.

The legal issues the court had to resolve were primarily whether the patents were valid and, if so, whether they had been infringed by Ariosa, Sonic, and Clinical. The court had to determine the construction of the patents, assess the validity based on the respondents' arguments, and examine whether the respondents had infringed the patents. The respondents challenged the validity of the patents on multiple fronts, including the lack of inventive step, utility, fair basis, and sufficiency, as well as false suggestion or misrepresentation. Sequenom, on the other hand, needed to demonstrate that the respondents had performed acts that constituted infringement of the patents.

The court found that the patents were valid and had been infringed by Ariosa, Sonic, and Clinical, except for the claim concerning the infringement of claim 26. The court rejected all grounds of invalidity presented by the respondents. In its construction of the patents, the court found that the claims were clear and unambiguous. The court also established that Ariosa, Sonic, and Clinical had indeed performed acts that constituted infringement, except for the claim relating to claim 26. The court's reasoning was grounded in detailed analysis of the patent specifications, the technical context, and the arguments presented by both parties. The court's findings on the validity and infringement of the patents were pivotal in determining the outcome of the case.

The final orders of the court directed the parties to file minutes of orders reflecting the reasons for judgment and to address any questions regarding costs. The interim confidentiality order was extended, with the exception of the court's reasons. The court also granted liberty to apply for further orders as necessary. The outcome of the case was a partial victory for Sequenom, as it succeeded in establishing infringement except for claim 26, while the respondents' challenges to the validity of the patents were rejected. The detailed findings and orders provide a clear roadmap for the further conduct of the proceedings, including the handling of costs.