Arbitrary, unreasonable and/or discriminatory measures
Full protection and security, or similar
Indirect expropriation
http://orka.sejm.gov.pl/Druki8ka.nsf/0/485AD38B2B1C293BC125826C0047E741/%24File/2439.pdf
http://rynekprawniczy.pl/2016/07/06/raport-ranking-liderzy-arbitrazowej-reprezentacji-polski/
http://www.radiokrakow.pl/wiadomosci/krakow/amerykanski-fundusz-pozywa-polske-chce-odszkodowania-za-bloki-przy-ul-wierzbowej-w-krakowie/
https://www.iareporter.com/articles/poland-round-up-an-update-on-a-new-ruling-a-new-claim-and-another-threatened-one/ (requires subscription)
https://www.iareporter.com/articles/poland-round-up-a-new-award-a-newly-identified-tribunal-and-other-procedural-updates-on-polish-cases-including-a-previously-unknown-judgment-from-set-aside-proceedings/ (requires subscription)
https://www.iareporter.com/articles/analysis-brussels-court-sets-aside-award-against-poland-after-deciding-that-uncitral-tribunal-acted-as-appeals-court-in-denial-of-justice-ruling/ (requires subscription)
https://www.iareporter.com/articles/treaty-award-that-held-poland-liable-for-denial-of-justice-is-revived-as-belgiums-cour-de-cassation-finds-that-lower-court-impermissibly-reviewed-the-merits/ (requires subscription)