Here are the materials in Landreth v. United States:
Lower court materials here.
Here is the opinion.
Here are the briefs:
Here is the opinion in Lummi Tribe v. United States (Fed. Cir.). An excerpt:
[W]e conclude that because neither the Claims Court nor this court previously adjudicated Lummi’s breach of contract, breach of fiduciary duty, and breach of trust claims, the Claims Court erred by dismissing Lummi’s entire case.
Prior posts here.
From the Federal Circuit Court of Appeals:
And, contrary to UMN’s arguments, Saint Regis did not
base its reasoning on implied abrogation of tribal sovereign
immunity. Instead, Saint Regis concluded that IPR was an
agency reconsideration proceeding to which sovereign immunity does not apply in the first instance. 896 F.3d at 1329. This reasoning applies equally to states as it does to
Article discussing the opinion here.