'claimed the need' is a grammatically correct phrase and is commonly used in written English.
You can use it when indicating that someone has expressed a need or necessity. Example: John claimed the need to buy more groceries for the upcoming week.
The phone in San Bernardino was in the hands of investigators for two months before the government appeared in an ex parte (one-sided) proceeding and claimed the need to force Apple to create dangerous new code to assist its investigation.
These restrictions were in accordance with a recent review that claimed the need for more epidemiological and experimental studies [ 18].
The preceptors also claimed the need for some understanding of how to teach students when precepting does not work.
However, the authors concluded that vitamin D might be effective in CD but claimed the need for larger studies.
Due to these results authors claimed the need for a common curriculum containing structured and comparable training standards [ 23].
Many are too happy to claim the need for funding without being able to show the results they achieve.
Both the political left and right now claim the need to do something about it as a matter of urgency.
It's hard to claim the need to protect your privacy when you're spending as much time doing television interviews as Ms. Rice has recently.
We claim the need to overcome the specific features of each case study to elicit general knowledge, and thus the quest for a unified framework, useful in different scenarios.
Anyway, in some cases we also found controversial results that claim the need of further well-designed studies to definitely state the efficacy and tolerability of IVIG in CAPS, obstetric and non-APS.
The paper claims the need for novel middlewares to manage dynamically retrieved client-side positioning systems in a synergic way and depending on context, i.e., LBS requirements, user preferences, device characteristics, and overall system state.
