Alan Permane reckons most teams have already focused the "majority" of their workforce on next season in light of the massive technical changes.
Next year's Championship will see a major overhaul in the Formula One regulations spearheaded by a change in engines. Instead of the current 2.4-litre V8s, the teams will be using 1.6-litre turbocharged V6 engines.
The changes have already resulted in teams splitting the departments to cover both this year and next year's cars while Permane believes the team has come to focus mainly on next season.
"I expect most, if not every team on the grid to be focusing the majority of their design and aero resources on next year's cars by this stage," said the Lotus trackside operations engineer.
"The changes are so significant that - without unlimited resources - you really have no alternative but to have switched your focus in this respect if the aim is to be competitive in 2014.
"You may see a few small upgrades appearing as the races tick away, but I suspect we've witnessed the last of the major overhaul packages.
"If this rings true throughout the paddock - and I think it will for most teams - then I fully expect us to continue fighting at the front for the remainder of the season."