The phrase "acknowledge that even though" is correct and usable in written English.
It can be used when introducing a concession or recognizing a contrasting point while still affirming a main idea or argument.
Example: "I acknowledge that even though the project faced numerous challenges, we ultimately achieved our goals."
Alternatives: "recognize that despite" or "admit that although".
Athletes arguing for change acknowledge that, even though billions flow into the Movement, there's not enough money generated by the Olympics for everyone to get rich.
Yet they acknowledge that even though their five-year plan is to build 5,000 sanitation centers that would service more than 1 million people, this would only address about 8percentt of the population in need in Kenya.
And you -- you will not acknowledge that even though the Supreme Court said there was no precedent, even though the district court judgment and a three-judge panel judgment cannot be considered precedent binding the en banc panel of the court, you still insist that somehow there was precedent there that you were bound by.
But it's imperative that we distinguish those comments from real and productive moral outrage and to acknowledge that even though anger as a character flaw is ignoble, anger in a moral cause is essential - and laudable.
Acknowledge that even though you may be furious at the company, you know the person you're talking to now isn't to blame.
Near the end of his admonition, Rogan turned philosophical, acknowledging that even though fighting is a business, at once lucrative and precarious, most fighters don't fight primarily for money.
But she acknowledged that even though most decisions were made through discussions, she still answered to a foreign boss.
But he acknowledges that even though coaches "are always greedy," these days they don't always get what they want.
And Dacre acknowledged that, even though we were speaking during the week of the opening, he had not decided whether to censor the references.
In a box in the first chapter of the WEO the IMF acknowledges that even though its forecasts have gotten ever gloomier since 2010 they have not gotten gloomy enough, fast enough.
He acknowledged that even though he has confidence in Hernández, he cannot say for sure that El Duque will be able to make 32-34 starts next year, based on his poor record the last two seasons.
