On 18 June 2013, he received a East Timorese passport and hence he shares dual-citizenship between Brazil and Timor-Leste. However, the Asian Football Confederation found four years later that he had a falsified Timorese birth or baptismal certificate.
Patrick began his footballing career in 2004 with the U-16 team of São Bernardo do Campo-based club, Palestra de São Bernardo. In 2005, he moved to his home town São Paulo where he signed a one-year youth contract with one of Brazil's top most club, Guarani FC and thus became eligible to play for the U-17 team of the club.
Patrick began his professional footballing career in 2006 with Mauá-based Grêmio Esportivo Mauaense. He scored 8 goals in 11 appearances in the 2006 Copa Paulista for the Mauá-based club.
He first moved out of Brazil in 2007 to Bolivia where he signed a one-year contract with Liga de Fútbol Profesional Boliviano club, Club Destroyers. He scored 19 goals in 22 appearances for the Santa Cruz de la Sierra-based club in the 2007 Liga de Fútbol Profesional Boliviano. He also made 2 appearances in the 2007 Copa Aerosur.
In 2008, he signed a one-year contract with another Bolivian club, Club Blooming. He made 7 appearances in the 2008 Liga de Fútbol Profesional Boliviano. He also scored 3 goals in 5 appearances in the 2008 Copa Aerosur for the Santa Cruz de la Sierra-based club.
In 2009, he again moved out of Brazil and this time to Mexico where he signed a short-term contract with Liga de Ascenso club, Club de Fútbol U.A.G. (now known as Estudiantes Tecos). He made his Liga de Ascenso debut and scored his first goal on 26 January 2009 in a 4-1 loss against Jaguares de Chiapas F.C. He scored 2 goals in 13 appearances in the 2009–10 Liga de Ascenso for the Guadalajara-based club.
In December 2009, he moved to the Middle East and more accurately to Kuwait where he signed a one-year contract with Kuwaiti Premier League club, Al-Nasr SC. He scored 12 goals in 17 appearances in the 2009–10 Kuwaiti Premier League, finishing one goal behind Oman's Ismail Al-Ajmi who finished as the top scorer with 13 goals. He also scored 6 goals in 5 appearances in the 2010 Kuwait Emir Cup for the Al-Farwaniyah-based club.
In 2010, he moved to another Middle Eastern country and this time to the United Arab Emirates where he signed a two-year contract with UAE First Division League club, Al-Khaleej Club. He made his debut for the club on 26 August 2010 in a 2010–11 Etisalat Emirates Cup qualification match in a 1-0 win over Al-Fujairah SC and scored his first goal in the same competition two days later on 30 August in a 1-1 draw against Dibba Al-Hisn Sports Club. In the qualification process, he put up an eye-catching performance for the club which included a record of 5 goals in a single match on 7 October 2010 in a 7-0 win over Ras Al Khaima Club and three hat tricks, on 4 September 2010 in a 6-1 win over Armed Forces, on 6 November 2010 in a 5-0 win over Al-Dhaid and on 14 November 2011 in a 6-1 win over Al-Rams Club. He also made an appearance in the 2010–11 UAE President's Cup in Round 1 on 21 September 2010 in a 4-1 loss against Baniyas F.C. He made his UAE First Division League debut and scored his first goal in the competition on 9 December 2010 in a 3-3 draw against Emirates Club. He scored 19 goals in 17 appearances in the 2010-11 UAE First Division League, finishing as the top scorer. He also scored 24 goals in 13 appearances in the qualification to the 2010–11 Etisalat Emirates Cup.
In his second consecutive season for the club, he made his first appearance and scored his first goal for the club on 30 September 2011 in a 2011–12 Etisalat Emirates Cup qualification match in a 3-3 draw against Al-Ittihad Kalba SC. He made his first appearance in the 2011-12 UAE First Division League on 24 November 2011 in a 4-0 win over Al-Urooba. In the competition, his performance of the season was on 5 December 2011 when he scored a hat trick in a 3-3 draw against Al-Fujairah SC. He also made an appearance in the 2011–12 UAE President's Cup in Round of 16 on 18 December 2011 in a 2-1 loss against Al-Sharjah SCC. He scored 8 goals in 7 appearances in the 2011-12 UAE First Division League. He also scored 5 goals in 4 appearances in qualification to the 2011–12 Etisalat Emirates Cup.
In 2012, he moved back to Brazil and more accurately to Curitiba where he signed a two-year contract with Campeonato Brasileiro Série B club, Clube Atlético Paranaense. He made 2 substitute appearances for the club in the 2012 Campeonato Brasileiro Série B, one on 19 May 2012 in a 4-1 win over Joinville Esporte Clube and another on 2 June 2012 in a 3-0 win over Grêmio Barueri Futebol. He also scored 1 goal in 4 appearances in the 2012 Copa do Brasil. The goal was scored on 13 April 2012 in a 5-1 win over Criciúma Esporte Clube. He helped his team to reach the Quarter-finals of the tournament where the club lost 4-2 on aggregate to Sociedade Esportiva Palmeiras.
In 2012, he moved back to the United Arab Emirates where he was signed by UAE First Division League club, Hatta Club on a one-year loan deal from Clube Atlético Paranaense. He scored 25 goals in 28 appearances in the 2012-13 UAE First Division League finishing as the second top scorer. He also scored 2 goals in 3 appearances in qualification to the 2012–13 Etisalat Emirates Cup.
In 2013, he signed a one-year contract with another Emirati club, Al-Fujairah SC. He made his debut and scored his first goal for the club on 7 September 2013 in a 2013–14 UAE President's Cup qualification match in a 7-0 win over Al-Rams Club. He made his 2013-14 UAE First Division League debut on 9 November 2013 in a 1-0 loss against Al-Ittihad Kalba SC and scored his first goal in the competition on 14 September 2013 in a 2-2 draw against Hatta Club. He scored 14 goals in 22 appearances in the 2013-14 UAE First Division League, helping his team to secure the second position in the league and thus getting promoted to the UAE Arabian Gulf League. He also scored 6 goals in 8 appearances in qualification to the 2013–14 UAE President's Cup, sharing the top scorer award with Asamoah Gyan of Al-Ain FC and Grafite of Al-Ahli F.C.
On 23 July 2014, he moved back to Kuwait where he signed a three-year contract with Kuwaiti Premier League club, Kazma SC. He made his first appearance for the club on 23 August 2014 in a 2-0 loss against Al-Arabi SC and scored his first goal in his second appearance for the club on 30 August 2014 in a 1-1 draw against 2013–14 Kuwaiti Premier League winners, Qadsia SC. On 9 December 2014, he scored the fastest goal in the history of Kuwaiti Premier League, since the league started in the 1961-1962 season. He scored the first goal of the match in a 3-0 win over Al-Yarmouk SC in just 7 seconds after the kick-off. He also made an appearance in the Quarter-finals of the 2014–15 Kuwait Emir Cup in a 3-2 loss against Al-Arabi SC. He made 5 appearances in the 2015 GCC Champions League and helped his team to reach the Semi-finals of the competition where his side lost to 2-1 Qatari side, Al-Rayyan SC. He scored 22 goals in 24 appearances in the 2014-15 Kuwaiti Premier League, finishing as the top scorer and also equaling the record of Kuwait's Hamad Al Harbi who also scored 22 goals in the 2005–06 Kuwaiti Premier League, one less than the record of 23 goals from Syrian international Omar Al Soma in the 2013–14 Kuwaiti Premier League.
He began the 2015-16 season in style as he helped his side win their first ever Kuwait Federation Cup, 2015-16 Kuwait Federation Cup with a brace in a 2-1 win over Kuwaiti giants, Kuwait SC.
On July 27, 2017, he signed a two-year contract with Kuwaiti giant, Kuwait SC. He made his official debut with the Kuwaiti giants on 7 September 2017 in the 2017 Kuwait Super Cup and helped his side lift the coveted trophy.
Patrick is part of the first team squad of the Timor-Leste national football team. He was selected for the national team for the first time in 2014. He made his first appearance and scored his first goal for Timor Leste in a 2014 AFF Championship qualification match on 12 October 2014 in a 4-2 win over Brunei. He made another appearance in the tournament on 14 October 2014 in a 0-0 draw against Myanmar. His second goal for the national team came on 17 March 2015 in a 1-0 win over Mongolia in a 2018 FIFA World Cup qualification match. This goal helped them secure a 5-1 aggregate win over the Mongolians and thus helping them to advance to the 2018 FIFA World Cup qualification – AFC Second Round. He has made appearances in the 2014 AFF Championship qualification and an appearance in the 2018 FIFA World Cup qualification (AFC).
On 19 January 2017, the Asian Football Confederation declared Patrick Fabiano and eleven other Brazilian footballers ineligible to represent East Timor.Scores and results list East Timor's goal tally first.
Kuwait Federation Cup: 2015-16
Kuwait Super Cup: 2017
KPL Golden Boot: 2014-15, 2016-16, 2016-17
Kazma SC top scorer: 2014-15, 2016-16, 2016-17