Lord Justice Leveson says the Press Complaints Commission has failed and must be replaced.
The Press Complaints Commission investigated the case following a complaint from a member of the public.
Miss Middleton made the harassment complaint last week to press watchdog the Press Complaints Commission.
Its self-regulatory body, the Press Complaints Commission, promised a new look at the paparazzi after the princess's death.
The body charged with regulating the press, the Press Complaints Commission (PCC), failed.
The matter was referred to the Press Complaints Commission, the invertebrate body that oversees the misdeeds of British newspapers.
St James's Palace has confirmed it contacted the Press Complaints Commission (PCC) over the possible use of naked photos of Prince Harry.
Carmarthen East and Dinefwr MP Mr Edwards said he was referring the article to the Press Complaints Commission and to the police.
After the failure of the Press Complaints Commission to tackle the phonehacking scandal, the future of press regulation is up for debate.
The Sun newspaper's decision to print naked photographs of Prince Harry has prompted about 3, 600 complaints to the Press Complaints Commission (PCC).
The Press Complaints Commission later rejected a privacy claim from Mr Terry.
Other questions covered in the 45 minute session included the roll-out of broadband in rural areas and the closure of the Press Complaints Commission.
The prime minister, Culture Secretary Maria Miller, the Press Complaints Commission chairman Lord Hunt and national newspaper editors will take part in talks on Tuesday.
Sports presenter Clare Balding has made an official complaint to the Press Complaints Commission (PCC) over an article which mocked her sexuality in The Sunday Times.
Ms Geldof's solicitor, Jonathan Coad, told Mr Justice Eady that the TV presenter had initially gone to the Press Complaints Commission over the front page spread.
Mr Miliband went on to call for the Press Complaints Commission to be abolished and replaced and he said the "watchdog had become a toothless poodle".
Dr Frosh, an NHS consultant and a member of Harpenden Town Council, said she had complained to the Press Complaints Commission about one newspaper story about the matter.
Not according to the Press Complaints Commission, the media self-regulator.
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They will seek to make recommendations on the future of media regulation in this context, including the role of the Press Complaints Commission and the Office of Communications (OFCOM).
The Press Complaints Commission said it received hundreds of complaints from members of the public but did not act because it had not been contacted by representatives of the prince.
The Press Complaints Commission, the UK's media watchdog, said at the time that it would be inappropriate for it to take action in the absence of a formal complaint by palace officials.
The Press Complaints Commission, a toothless official watchdog, recently censured the Mail on Sunday for a story it wrote about a government minister and his wife who adopted a baby in America.
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Wednesday's meeting of the Press Complaints Commission's Code of Conduct Committee will be chaired by Mail editor Paul Dacre, who was not at Monday's meeting with the prime minister because of personal commitments.
St James's Palace had contacted the Press Complaints Commission (PCC) on Wednesday because it said it had concerns about the 27-year-old prince's privacy being intruded upon, in breach of the editors' code of practice.
The Press Complaints Commission, the UK newspaper watchdog, said Thursday it had received about 3, 800 complaints from the public about the decision by The Sun to publish the images -- but none from palace officials.
Tonight on Decision Time on BBC Radio 4 I chair a discussion with a tabloid editor, the former chairman of the Press Complaints Commission, a campaigner for Hacked Off, a former Culture Secretary and a senior mandarin.
St James's Palace confirmed the prince was in the photos and that it contacted the Press Complaints Commission on Wednesday because it had concerns about his privacy being intruded upon, in breach of the editors' code of practice.
"As chairman of the Press Complaints Commission for the past seven years, I am only too aware of the damage that can be done to individuals and institutions that are thrust into the public spotlight, " his statement said.
The independent self-regulatory body the Press Complaints Commission which was established in 1991 to enforce a code of practice for UK newspaper and magazine publishers and editors has been severely criticised for its handling of the phone-hacking issue.
Meanwhile, Frances Osborne, wife of shadow chancellor George Osborne and one of those mentioned in the e-mails, has complained to the Press Complaints Commission after allegations about her were repeated in the Sunday Times and News of the World.
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