Up north here the test we use is:
“Where a claim is made that a bargain is unconscionable, it must be shown for success that there was inequality in the position of the parties due to the ignorance, need or distress of the weaker, which would leave him in the power of the stronger, coupled with proof of substantial unfairness in the bargain. When this has been shown a presumption of fraud is raised, and the stronger must show, in order to preserve his bargain, that it was fair and reasonable.”
It's almost never deployed. Calling someone a fraudster and then failing to prove it tends to result in special costs being awarded (pay the opposition's legal fees).
Whereas in Australia unconscientious dealing is very commonly pleaded - far more than undue influence, for example. And the sorts of situations, like spousal guarantees, that the English courts try and deal with via undue influence -
O'Brian,
Eteridge and the like - in Australia are normally dealt with either via unconscientious dealing or via a further equitable docrtine that I think is unique to us (the English courts don't accept it), known as the rule in
Yerkey v Jones or the "special wive's equity".
We have penalty costs for failed pleadings of fraud, but I'm pretty confident that they don't apply to unconscientious dealing (I have never practised, and don't know the rules of procedure very well, but the ubiquity of unconscientious dealing as a pleading makes me think that penalty costs don't apply).
>>16..... Any law or regulation which provides that the language of a contract shall be construed against the drafter will not apply to this License.<<
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So you can't get out of contra proferentem by saying "Doesn't apply to us!".
On it being a standard clause - maybe the courts don't realise that contracts can't bind third parties.

More likely, it's purely intimidatory.
Hmm if parties can derogate from the common law rules around choice of venue or choice of law, why can't they also do the same thing with another common law doctrine?
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Aren't interpretation clauses of one form or another common in contracts and don't they alter, or displace the usual rules of construction?
That was my thought too - isn't is functionally analogous to a choice-of-law clause, with the parties to the contract agreeing on the rules of construction that are to govern it.
Whether that's permissible in any given jurisdiction is another matter, but I don't see it as inherently absurd.
In German law, there are laws that are mandatory, and laws that are in place if the negotiating parties have not agreed on handling the issue in another way.
If something would fall in the second group, #16 would be redundant and there would be no need to mention it.
If it falls in the first group it can never be changed by an overriding contract agreement, which means #16 is void.
Australian law, and English law also (given the Australian law was derived from it) has similar elements - default provisions that are read in by a statute, but can be excluded by the will of the parties.
But the contra proferentum rule is a bit different, because it is a common law (ie judge-made) rule of construction, not a default provision of the contract. But an attempt to exclude it is quite different from (futilely) trying to exclude a provision that some statutory rule makes mandatory (like, say, the duty to depost the bond from a residential renter into a special account). It's an attempt by the parties to specify the law by which the contract will be interpreted.
9.4 Allows WOTC to get costs, and opens up equitable remedies - something not typically allowed for a contracts case - the usual remedy for breaching a contract is just a damages (money) award.
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Lets Wizard's go for injunctive relief
Whereas this stuff strikes me as strange. The question of WotC's loss on any given occaion of breach seems to me a matter of fact, and the suitability of particular remedies a matter for the court. But I'm not really a contract lawyer, and certainly not a US one - maybe this stuff is seen as somewhat analogous to a liquidated damages clause.