The Competition Appeal Tribunal decision that OnTheMarket’s ‘one other portal’  rule was not anti-competitive focused on the “wrong framework and irrelevancies”, the Court of Appeal has been told.

Connells brand Gascoigne Halman yesterday launched its appeal against last year’s ruling, with Paul Harris QC telling the court that the Tribunal had mistakenly focused on how a new portal could enter the market rather than on the “contractual restraints”.

Mr Harris argued that the ‘one other portal’ rule meant that OTM could grow through contractual restrictions rather than on merit. He said this was anti-competitive and “naked protectionism”.

He said: “The contractual restrictions disrupt the market by preventing [other] portals from having property content, thus preventing their lifeblood.”

Mr Harris added that it also restricted supply for estate agents.

He said the Tribunal had also failed to consider the way agents use portals to compete on service, adding that the rule “restricts competitive choice” regardless of whether it is up to an agent to sign up.

Mr Harris also questioned OTM’s argument – supported in the CAT judgement – that it would have been impossible to enter the market without the ‘one other portal’ rule, highlighting that this has since been dropped.

He said: “The CAT did not know that it is possible to act without the ‘one other portal’ rule as it is now being done by them [OTM].”

Judges queried whether this was relevant as the change had come later, but Mr Harris claimed that the timing brought OTM chief executive Ian Springett’s character and evidence into question as he had been giving evidence to the CAT  “while considering dropping the one other portal rule”.

Mr Harris said this should have been disclosed at the time of trial.

The judges asked if the question of the ‘one other portal’ rule had become largely academic as it had since been dropped – when OTM floated on the stock market in February –  but OTM’s legal representative Alan Maclean QC said some agents were still bound by it.

He said 1,671 firms remain on the old contracts, while 1,287 have moved on to the new ones, of which 863 have opted to use the one other portal rule.

Agents’ Mutual had defended the period of voluntary semi-exclusivity and had explicitly said that the business would be regularly monitoring whether or not it remained necessary, whether for competition or commercial reasons.

The hearing, where the onus is on Gascoigne Halman to convince the Court of Appeal judges that the judgment handed down by the Tribunal was flawed,  continues and is expected to last until Thursday.

The report above covers only the opening hours of yesterday’s hearing.