A related exercise is already underway with the Commission's Legal Certainty Group, which deals with cross-border securities rights and transfers eur-lex.europa.eu
Ya está en marcha un ejercicio de este tipo con el grupo «Seguridad jurídica» de la Comisión, en relación con los derechos y transferencias transfronterizos de valores.

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Note added at 24 mins (2016-04-20 23:39:11 GMT)
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A rights issue is a dividend of subscription rights to buy additional securities in a company made to the company's existing security holders. When the rights are for equity securities, such as shares, in a public company, it is a non-dilutive pro rata way to raise capital. Rights issues are typically sold via a prospectus or prospectus supplement. With the issued rights, existing security-holders have the privilege to buy a specified number of new securities from the issuer at a specified price within a subscription period. In a public company, a rights issue is a form of public offering (different from most other types of public offering, where shares are issued to the general public).

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Note added at 26 mins (2016-04-20 23:41:24 GMT)
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makes me think of the IMF's "special drawing rights" (SDRs)

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Note added at 29 mins (2016-04-20 23:43:59 GMT)
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simply in the sense of "having the right to"

as opposed to security interests, like pledges, liens and mortgages, and the Law relating to Transferable Securities.

In EN and comm., a leasehold or freehold interest denotes the right to such estates.