The phrase "although it has picked" is correct and usable in written English.
It can be used to introduce a contrast or exception regarding something that has been chosen or selected, typically in a sentence discussing a situation or outcome.
Example: "Although it has picked up some popularity, the new product still faces significant competition in the market."
Alternatives: "even though it has chosen" or "despite having selected".
Enrollment through healthcare.gov, although it has picked up sharply, remains below the Administration's projections.
In both France and Italy labour's share has dropped from around 80% to about 60%, although it has picked up a little since 2000.
(Although it has picked up of late and is now two percentage points higher than in four years ago in states that can be reasonably compared).
Trade started to nosedive in August and although it has picked up a little this year, things are still bad, he says.
In the absence of such a prominent link, traffic fell off considerably for the series, although it has picked up a bit more recently (the last dozen episodes have drawn an average of about 105,000 combined views on MySpace and YouTube).
The properties sound almost humdrum when compared with the Manor, as Spelling's W-shaped French Chateau is officially named (although, in some circles, it has picked up the less elegant nickname of Candyland).
Although I've picked some random trivia, the World Factbook is a mine of useful information.
Although growth has picked up it remains well below the 7%-plus needed to meet the UN's Millennium Development Goal of halving poverty by 2015.For a large number of African governments a priority should be the development of freer trade (including elimination of the hefty EU farm subsidies).
The situation became an embarrassment for Baldini, although Lamela has picked up under Mauricio Pochettino this season.
Although demand has picked up in China and elsewhere in Asia, consumers in the traditional markets — the United States and Europe — have been slow to resume purchasing.
Both she and Senator Barack Obama have been meeting with superdelegates during the latter part of this week, although he has picked up eight so far to one for her.
