pre_text: edwards lifesciences corporation notes to consolidated financial statements ( continued ) 2 . summary of significant accounting policies ( continued ) in may 2014 , the fasb issued an update to the accounting guidance on revenue recognition . the new guidance provides a comprehensive , principles-based approach to revenue recognition , and supersedes most previous revenue recognition guidance . the core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services . the guidance also requires improved disclosures on the nature , amount , timing , and uncertainty of revenue that is recognized . in august 2015 , the fasb issued an update to the guidance to defer the effective date by one year , such that the new standard will be effective for annual reporting periods beginning after december 15 , 2017 and interim periods therein . the new guidance can be applied retrospectively to each prior reporting period presented , or retrospectively with the cumulative effect of the change recognized at the date of the initial application . the company is assessing all of the potential impacts of the revenue recognition guidance and has not yet selected an adoption method . the company will adopt the new guidance effective january 1 , although the company has not yet completed its assessment of the new revenue recognition guidance , the company 2019s analysis of contracts related to the sale of its heart valve therapy products under the new revenue recognition guidance supports the recognition of revenue at a point-in-time , which is consistent with its current revenue recognition model . heart valve therapy sales accounted for approximately 80% ( 80 % ) of the company 2019s sales for the year ended december 31 , 2016 . the company is currently assessing the potential impact of the guidance on contracts related to the sale of its critical care products , specifically sales outside of the united states . 3 . intellectual property litigation expenses ( income ) , net in may 2014 , the company entered into an agreement with medtronic , inc . and its affiliates ( 2018 2018medtronic 2019 2019 ) to settle all outstanding patent litigation between the companies , including all cases related to transcatheter heart valves . pursuant to the agreement , all pending cases or appeals in courts and patent offices worldwide have been dismissed , and the parties will not litigate patent disputes with each other in the field of transcatheter valves for the eight-year term of the agreement . under the terms of a patent cross-license that is part of the agreement , medtronic made a one-time , upfront payment to the company for past damages in the amount of $ 750.0 million . in addition , medtronic will pay the company quarterly license royalty payments through april 2022 . for sales in the united states , subject to certain conditions , the royalty payments will be based on a percentage of medtronic 2019s sales of transcatheter aortic valves , with a minimum annual payment of $ 40.0 million and a maximum annual payment of $ 60.0 million . a separate royalty payment will be calculated based on sales of medtronic transcatheter aortic valves manufactured in the united states but sold elsewhere . the company accounted for the settlement agreement as a multiple-element arrangement and allocated the total consideration to the identifiable elements based upon their relative fair value . the consideration assigned to each element was as follows ( in millions ) : .
post_text: .
table: Past damages $754.3
table: License agreement 238.0
table: Covenant not to sue 77.7
table: Total $1,070.0
question: Analyse this data from a financial earnings document. what percentage of the settlement was due to license agreements?