The phrase "assert further" is correct and usable in written English.
It can be used when you want to emphasize or add more information to a previous statement or argument.
Example: "In addition to my previous points, I would like to assert further that our approach is the most effective solution."
Alternatives: "further assert" or "additionally claim".
Tensions regularly flare over the site, with Palestinians fearing Israel will seek to assert further control over it.
HERR BOHM: And the Prosecution assert further that the SA sent 70percentt of its millions of members straight to the Wehrmacht.
The defense will assert, further, that there was additional tampering with evidence, beyond the placing of the second glove at Simpson's house.
To assert further that Ethiopia is not a humanitarian disaster, but "an evolutionary and demographic disaster" (attributable primarily to too many people trying to live on arid, drought-prone land in the Great Rift Valley) marks you down automatically as a heartless fascist.
"Even if it's not a fifty-fifty split, we should be allowed at least a third, or something reasonable like that". The defense will assert, further, that there was additional tampering with evidence, beyond the placing of the second glove at Simpson's house.
10.7 If the Customer fails to honour his or her payment obligations, or if any amounts paid are reverse-charged, Springer shall be entitled to block the Customer's access to the Online Shop and, if applicable, to SpringerLink, while at the same time reserving the right to assert further claims.
HERR BOHM: The Prosecution assert further-and I ask whether you know anything about this-that in the course of extending the war effort, 86percentt of the professional leadership corps were made available.
Because office parks already have roads and utilities, the study asserts, further development of those properties would not be as costly for developers.
The incident, he asserted, further indicts his former employer, which he and others have long argued should not be in charge of supervising nonprofits.
MOSCOW — Asserting further personal control over the Russian economy, President Vladimir V. Putin nominated on Tuesday a close political ally, who is now serving as his chief economic adviser, to become the new chief of the Russian central bank.
The French moved to stop Siam from asserting further claims over Cambodia and forced Siam to return the royal regalia, and Norodom was finally crowned at Oudong, Cambodia, in June 1864, with both French and Siamese officials attending.
