In its litigation with Samsung, Huawei has been a bit hapless so far. At least it's fair to say that the chronology of events hasn't really favored the Chinese tech giant:
By filing its case against Samsung in the Northern District of California technically on the calendar day (though it may have been more or less the same hour) prior to its Chinese patent infringement filings, Samsung's successful anti-enforcement injunction was brought in an earlier-filed (or at least simultaneously-filed) U.S. case.
Huawei then tried two things, again near-simultaneously, to overturn the antisuit injunction: a motion to alter the decision as well as an appeal to the Federal Circuit. The Federal Circuit didn't like this and had a simple message to Huawei: let Judge Orrick in San Francisco rule on your motion, and if you don't like the outcome, you can ask us for help, but not before.
And now the Supreme Court's recent decision in SAS v. Iancu, according to which the Patent Trial & Appeal Board (PTAB) of the United States Patent & Trademark Office (USPTO) must reexamine all challenged claims if a petitioner shows a reasonable likelihood of invalidatio for just one challenged claim, enabled Samsung to obtain a stay of two patent infringement claims brought by Huawei (this post continues below the document):
Samsung challenged multiple claims of two of Huawei's patents-in-suit. The USPTO decided to institute reexamination with respect to some of them, but it had to issue a supplemental order in the wake of SAS and look--nolens volens--at all challenged claims, though it encouraged Samsung to drop its challenge to the ones with respect to which the USPTO was originally unconvinced.
Huawei had actually focused, for the purposes of infringement litigation, on the claims the USPTO viewed more favorably, but the SAS decision changed everything.
As I wrote in my commentary on SAS, this isn't good for the efficiency of the PTAB inter-partes review (IPR) process, but the conservative Supreme Court majority was right that the way the law was worded didn't leave room for any other decision, short of legislating from the bench, which most justices declined to engage in.
Judge William H. Orrick of the United States District Court for the Northern District of California still didn't necessarily have to stay the related infringement claims. He had previously stayed a Samsung infringement claim at Huawei's request, but in that case, the USPTO instituted reexamination of the relevant patent claim because it held that Huawei had shown a reasonable likelihood of invalidation. Not so here.
Nevertheless, Samsung obtained its stay. All things (including the state of proceeding) considered, Judge Orrick felt that it made sense, and that the focus of this case was on FRAND licensing issues. Also, either party will have to narrow its case to five patent claims for the trial, and Huawei still has plenty of claims in play.
It's an interesting example of the procedural impact that the SAS ruling can have on patent infringement lawsuits.
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