The title and tone of this article make it sound unusual that the company used its IP as collateral.
You can get better loan terms (such as the interest rate) if your loan is secured. If you are going to get a secured loan, the default is that it's secured by 'all assets', which includes IP. In order to perfect a security interest in IP, you need to make this type of filing -- and a lender will be especially sure to do so when making a secured loan to this type of company because the company likely has little other assets of value with which to secure the loan.
You can get better loan terms (such as the interest rate) if your loan is secured. If you are going to get a secured loan, the default is that it's secured by 'all assets', which includes IP. In order to perfect a security interest in IP, you need to make this type of filing -- and a lender will be especially sure to do so when making a secured loan to this type of company because the company likely has little other assets of value with which to secure the loan.