de forma objetiva

08:23 Aug 7, 2017 

Many thanks all for your input. I'm going with Robert's advice and general consensus - a literal translation it is then!

16:15 Aug 4, 2017 

Please disregard my earlier comment, I won't go into it, suffice it to say I just had a brain brownout :-) Btw, "arising objectively" is okay, but so is "objectively caused by".

@Spanruss: I think a literal translation is fine.

@Emma: "objectively caused by" works perfectly well, you don't need to change it to "whose cause is determined objectively"; that's not the meaning.

13:31 Aug 4, 2017 

IMHO, "caused" may not be the best translation for "causados"in this case. I'd avoid any use of "cause" at all. The result would be something along these lines: ""...claim for damages arising objectively from approval of Royal decree xxx and Royal decree..."