What's the difference between contravene and contravened?

Contravene

Definition:

(v. t.) To meet in the way of opposition; to come into conflict with; to oppose; to contradict; to obstruct the operation of; to defeat.
(v. t.) To violate; to nullify; to be inconsistent with; as, to contravene a law.

Example Sentences:

(1) At the pre-inquest review hearing in Aberdare, the Powys coroner, Louise Hunt, said a full inquest would look at whether article two of the European Convention on Human Rights, covering the right to life, had been contravened and whether there had been any failings by those in charge of the soldiers.
(2) Two refused to make any payment to secure business, one claiming such an arrangement would "contravene the rules and be unfair to leaseholders".
(3) The rightwing senator François Grosdidier has warned: “When you force a child to eat a dish that contravenes their religious or cultural beliefs, the child doesn’t eat it.
(4) But I believe it was wrong of him to say these words under any circumstances – and though Terry has been found not to have committed a criminal offence, the FA must now decide whether the former England captain should be charged for contravening its own rules.
(5) The Department of Health said it was "not a reliable poll as doctors were presented with very leading statements which contravene the code of conduct set out by the Market Research Society that respondents should not be led towards a particular view".
(6) The review will look at “whether the sanctions for contravening this offence are appropriate, fair and whether the regime represents value for money for licence fee payers and tax payers”.
(7) The UN’s human rights agency has made sweeping criticisms of Australia’s policies towards asylum seekers, saying a proposed law that would allow the government to remove people without considering whether they might face persecution elsewhere could contravene international treaties against torture.
(8) There can no longer be any doubt that covert US drone strikes in Pakistan and Yemen contravene international law.
(9) The benefit of transplantation without prior dialysis might be contravened by the failure to develop possible immunologic disabilities associated with chronic uremia and dialysis.
(10) Fifa’s ethics committee last month said that accepting such valuable gifts contravened its rules and has demanded that all the watches be returned by 24 October, otherwise it will launch disciplinary proceedings.
(11) The Council on American-Islamic Relations said it would issue a court challenge on Monday, claiming that the new entry rules target Muslims because of their faith and therefore contravene the constitutional right to freedom of religion.
(12) In his first public appearance since his resignation, Clark insisted he had been "meticulous" in following ministerial instructions in a pilot scheme scaling back border checks during the summer: "I introduced no additions to the home secretary's trial, neither did I extend or alter it in any way whatsoever … I have not wilfully or knowingly sanctioned an alteration to border checks that contravened existing Home Office policy."
(13) Lord Myners, the City minister, said the core of the problem was "irresponsible lending" and stressed: "The FSA has some very strong sanctions and enforcement resources available if banks contravene the regulations."
(14) Many Labour MPs were said to be "appalled" by the slogan, and David Cameron, the Conservative leader, claimed that it contravened European rules on the free movement of labour.
(15) An appeal considered by the Information Commissioner's Office in 2011 was also rejected because the commissioner did not "consider it fair" to disclose the name of the donor because it would contravene the Data Protection Act.
(16) Kagan swiftly rebutted the argument, pointing out that “there are many rabbis that will not conduct marriages between Jews and nonJews, notwithstanding that we have a constitutional prohibition against religious discrimination.” Even if the court rules that states cannot ban same-sex marriage, this will not mean that religious leaders will be compelled to perform marriages that contravene their religious traditions.
(17) Moreover, as the steel would not be sold immediately, it should avoid contravening EU trade rules.
(18) She would probably be given a warning, and if she ignored that she would be charged and given a restraining order which, if she contravened, could see her sent to prison.
(19) ITV refuted STV's claims, arguing that the Scottish broadcaster was trying to "retrospectively to opt out of an increasing number of peak time programmes which contravenes existing agreements" and also "wrongly attempting to claim a rebate against programmes which have been 'written off'".
(20) But Gilles Devers, a lawyer acting for Ahmas and several other women in niqab, argued punishments were not being handed out because the niqab law contravenes European human rights legislation on personal liberties and freedom of religion.

Contravened

Definition:

(imp. & p. p.) of Contravene

Example Sentences:

(1) At the pre-inquest review hearing in Aberdare, the Powys coroner, Louise Hunt, said a full inquest would look at whether article two of the European Convention on Human Rights, covering the right to life, had been contravened and whether there had been any failings by those in charge of the soldiers.
(2) Two refused to make any payment to secure business, one claiming such an arrangement would "contravene the rules and be unfair to leaseholders".
(3) The rightwing senator François Grosdidier has warned: “When you force a child to eat a dish that contravenes their religious or cultural beliefs, the child doesn’t eat it.
(4) But I believe it was wrong of him to say these words under any circumstances – and though Terry has been found not to have committed a criminal offence, the FA must now decide whether the former England captain should be charged for contravening its own rules.
(5) The Department of Health said it was "not a reliable poll as doctors were presented with very leading statements which contravene the code of conduct set out by the Market Research Society that respondents should not be led towards a particular view".
(6) The review will look at “whether the sanctions for contravening this offence are appropriate, fair and whether the regime represents value for money for licence fee payers and tax payers”.
(7) The UN’s human rights agency has made sweeping criticisms of Australia’s policies towards asylum seekers, saying a proposed law that would allow the government to remove people without considering whether they might face persecution elsewhere could contravene international treaties against torture.
(8) There can no longer be any doubt that covert US drone strikes in Pakistan and Yemen contravene international law.
(9) The benefit of transplantation without prior dialysis might be contravened by the failure to develop possible immunologic disabilities associated with chronic uremia and dialysis.
(10) Fifa’s ethics committee last month said that accepting such valuable gifts contravened its rules and has demanded that all the watches be returned by 24 October, otherwise it will launch disciplinary proceedings.
(11) The Council on American-Islamic Relations said it would issue a court challenge on Monday, claiming that the new entry rules target Muslims because of their faith and therefore contravene the constitutional right to freedom of religion.
(12) In his first public appearance since his resignation, Clark insisted he had been "meticulous" in following ministerial instructions in a pilot scheme scaling back border checks during the summer: "I introduced no additions to the home secretary's trial, neither did I extend or alter it in any way whatsoever … I have not wilfully or knowingly sanctioned an alteration to border checks that contravened existing Home Office policy."
(13) Lord Myners, the City minister, said the core of the problem was "irresponsible lending" and stressed: "The FSA has some very strong sanctions and enforcement resources available if banks contravene the regulations."
(14) Many Labour MPs were said to be "appalled" by the slogan, and David Cameron, the Conservative leader, claimed that it contravened European rules on the free movement of labour.
(15) An appeal considered by the Information Commissioner's Office in 2011 was also rejected because the commissioner did not "consider it fair" to disclose the name of the donor because it would contravene the Data Protection Act.
(16) Kagan swiftly rebutted the argument, pointing out that “there are many rabbis that will not conduct marriages between Jews and nonJews, notwithstanding that we have a constitutional prohibition against religious discrimination.” Even if the court rules that states cannot ban same-sex marriage, this will not mean that religious leaders will be compelled to perform marriages that contravene their religious traditions.
(17) Moreover, as the steel would not be sold immediately, it should avoid contravening EU trade rules.
(18) She would probably be given a warning, and if she ignored that she would be charged and given a restraining order which, if she contravened, could see her sent to prison.
(19) ITV refuted STV's claims, arguing that the Scottish broadcaster was trying to "retrospectively to opt out of an increasing number of peak time programmes which contravenes existing agreements" and also "wrongly attempting to claim a rebate against programmes which have been 'written off'".
(20) But Gilles Devers, a lawyer acting for Ahmas and several other women in niqab, argued punishments were not being handed out because the niqab law contravenes European human rights legislation on personal liberties and freedom of religion.