Rosa has prepared and negotiated pledge agreements regarding different types of assets, including pledgor-in-possession pledge agreements and other collateral arrangements over receivables and similar rights. Likewise, she has prepared and negotiated collateral arrangements over securities, guaranty agreements, real estate mortgages, and guaranty trust agreements.

As a member of the Banking and Finance Group of Jauregui, Navarrete, Nader y Rojas, S.C., she provided advice on such matters to The Bank of Nova Scotia, Bank of Tokyo-Mitsubishi (México), S.A., Institución de Banca Múltiple, The CIT Group, Antares Capital Corporation, Allied Capital Corporation, Fleet Capital Corporation, Heller Financial, Inc., and Deutsche Bank Luxembourg, S.A., among other companies.

At the Supreme Court of Justice of Mexico, she worked on the development of legal precedents, such as those arising from Cases ADR 3685/2014 and CT 331/2014, which, among other matters: (i) allow for the joint lawsuit of a debtor and a mortgagor if they are different parties; and (ii) provide for the interpretation of several provisions regarding secured transactions under Mexican law.

She was also involved in the review of Case CT 204/2014, providing for the requirements for the acquisitive prescription in property law to be carried out over real estate, and Cases CT 160/2013 and CT 493/2011, relating to the requirements to be considered a good-faith third party in real estate acquisitions for registry purposes.