Copyright - architecture
Summary judgment for deft upheld, as plaintiff did not establish uniqueness of architectural elements.
Not per se error for the court to use "abstraction & filtration" for architecture.
No error in dismissal of trade dress claims.
https://www.ca10.uscourts.gov/opinions/15/15-1115.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.