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Re: BurTech Acquisition corp註冊聲明書（表格S-4）

我們擔任Delaware corp BurTech Acquisition corp的法律顧問，就該公司向美國證券交易委員會（SEC）提交的一份S-4表格註冊聲明書（以下簡稱" 公司)”）的事宜提供建議。」提交給美國證券交易委員會（「對BurTech Acquisition corp註冊聲明書在2024年7月19日提交到現在（經修改或補充之後的）情況進行了相應的跟進。申報書」，這是公司向美國證券交易委員會（「交易委員會」）提交的根據1933年證券法修訂版（「證券法」）第S-1表格的登記申明書（「申明書」）的準備工作。證券法”), relating to up to 223,232,050 shares (the “股份本公司普通股的面額為0.0001美元每股普通股”), to be issued by the Company pursuant to the terms of the Agreement and Plan of Merger dated December 22, 2023 (as amended on April 22, 2024 and October 24, 2024, the “合併協議”), between the Company, BurTech Merger Sub Inc., a Delaware corporation and a direct, wholly owned subsidiary of the Company (“合併子公司”), Blaize, Inc., a Delaware corporation (“Blaize”), and, for the limited purposes set forth therein, Burkhan Capital LLC, a Delaware limited liability company and affiliate of the Company (“Burkhan”), pursuant to which Merger Sub will merge (the “合併”) with and into Blaize, whereupon the separate corporate existence of Merger Sub will cease and Blaize will be the surviving company and continue in existence as a wholly owned subsidiary of the Company (which will change its name to “Blaize Holdings, Inc.”), on the terms and subject to the conditions set forth therein.

We have been requested by the Company to furnish this opinion in connection with the filing of the Registration Statement and in accordance with the requirements of Item 601(b)(5) of Regulation S-k promulgated under the Securities Act.

As counsel, we have made such investigations and examined the originals, or duplicate, certified, conformed, telecopied or photostatic copies of such corporate records, agreements, documents and other instruments and have made such other investigations as we have considered necessary or relevant for the purposes of this opinion, including: (a) the Registration Statement; (b) the Merger Agreement; (c) the form of Third Amended & Restated Certificate of Incorporation of the Company (Annex b to the Registration Statement, the “證書”); (d) the form of Amended & Restated Bylaws of the Company (Annex C to the Registration Statement); and (e) a specimen Common Stock certificate.

With respect to the accuracy of factual matters material to this opinion, we have relied upon certificates or comparable documents and representations of public officials and of officers of the Company and have not performed any independent check or verification of such factual matters.

In giving this opinion, we have assumed the genuineness of all signatures, the legal capacity of natural persons, the authenticity of all documents submitted to us as originals, the conformity to authentic original documents of all documents submitted to us as duplicates, certified, conformed, telecopied or photostatic copies and the authenticity of the originals of such latter documents, and that all facts set forth in the certificates supplied by officers of the Company are complete, true and accurate as of the date hereof.

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Norton Rose Fulbright US LLP是根據德克薩斯州法律註冊的有限責任合夥制。

Norton Rose Fulbright US LLP、Norton Rose Fulbright LLP、Norton Rose Fulbright Australia、Norton Rose Fulbright Canada LLP和Norton Rose Fulbright South Africa Inc均為獨立的法律實體，它們都是Norton Rose Fulbright Verein的成員，這是一家瑞士verein。Norton Rose Fulbright Verein協助協調成員的活動，但並未向客戶提供法律服務。每個實體的詳細信息，包括某些監管信息，均可在nortonrosefulbright.com查閱。

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除前述事項外，為了表達我們的意見，我們假設：

1. 證書，根據提交供我們審閱的形式，除了標識適當日期以外，將在完成合併後生效；且在遵照特拉華州公司法向特拉華州州書記處提交或將於合併完成前提交的，未提交其他證書或文件。DGCL單元，可以包括上述任何一種或多種證券（總稱“單元”），根據單元協議（“單元協議”）的條款發行；

2. 在發行普通股之前：(a) 最終修訂的登記申報表將在證券法下生效；(b) Blaize的股東將批准並採納合併協議；(c) 合併將完成；且(d) 合併將根據特拉華州公司法生效。

以下所述意見僅限於美國特拉華州公司法及有效日期之聯邦證券法。我們的意見乃根據有效日期表述，我們並未承擔告知您此後法律或事實變化（或其對此處所表達意見的影響法）的義務。

以下所述意見受以下例外、限制和質疑所限：(a) 破產、破產、重整、安排、暫停、詐騙轉讓、欺詐轉讓及其他類似影響債權人權利的法律的效力；(b)衡平法原則的效力（包括但不限於實質性、合理性、善意及公平交易概念，無論是在法律訴訟還是在衡平訴訟中考慮）；(c) 可能限制各方獲得進一步救濟的公共政策考量；(d) 我們不對選擇法律、選擇地點、司法權或放棄陪審團審判的條款的執行力提出意見；及 (e) 我們不對任何針對任何高利貸抗辯的放棄的執行力提出意見。

根據上述，並據此處所訂之假設、限制及質疑，包括但不限於假設根據適用法律所需的登記聲明和任何後續的後續生效條文已經根據《證券法》編成生效，我們認為在合併事項完畢後，股份將獲得適當授權、有效發行、全部已付款且無需進一步評估。

我們特此同意將此意見作為附加到登記聲明中的展覽提交給委員會，並同意在登記聲明中的“法律事項”標題下引用我們的公司。在給予該同意時，我們並不承認我們屬於根據《證券法》第7條或委員會制定的規則和法規所要求同意的人類類別。

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