She is a former National Deputy of the Verkhovna Rada (Parliament of Ukraine) representing the Samopomich (Self Reliance) party.

In 2009, she became the General Director of Patent law agency Brand Group Archived 2015-07-22 at the Wayback Machine.

She is the author of numerous articles[5] and publications on copyright, intellectual property, unfair competition, protection of rights themes and medical law.

[2] Sysoienko again took part in the July 2019 Ukrainian parliamentary election, this time for the party Strength and Honor.

She is the author of numerous articles and publications on copyright, intellectual property, unfair competition, and medical law.