The phrase "are seeking to replicate" is correct and usable in written English.
It can be used when discussing efforts to duplicate or reproduce something, often in a research or experimental context.
Example: "The scientists are seeking to replicate the results of the previous study to confirm their findings."
Alternatives: "are trying to reproduce" or "are aiming to duplicate".
Scientists are seeking to replicate fusion on Earth for an abundant supply of power for the production of electricity.
In many ways, banks are seeking to replicate the model of subprime mortgage securities, which became popular after ratings agencies bestowed on them the comfort of a top-tier, triple-A rating.
Eight years after it opened, BedZED's developers are seeking to replicate its successes and avoid its failings as they break ground on new low-energy complexes from northern California to the Middle East.
As word spreads about their accomplishments, others are seeking to replicate their success.
On some level, in spite of myself, I was seeking to replicate the drama that I had with X.
Mrs. Clinton is seeking to replicate her campaigns from Ohio and Pennsylvania to win over voters there who share many similarities and concerns.
It is the eighth of about 40 EU accords that the UK government is seeking to replicate in time for a no-deal Brexit.
The assurance from the country's ambassador to London is a boon for Liam Fox's international trade department, which is seeking to replicate 39 EU trade agreements with more than 50 countries.
Better math preparation is vital to improving undergraduate science, agrees panelist Mary Ann Rankin, founder of a science teacher training program at the University of Texas and now head of the National Math and Science Initiative, which is seeking to replicate that program nationally.
FEMSA, whose stock is traded both in Mexico and on the New York Stock Exchange, is seeking to replicate with drugstores its very successful convenience store business, Oxxo, which has more than 11,000 stores across the country.
Meanwhile, the Mediterranean Sea between Africa and Europe is more deadly than ever, and the EU is seeking to replicate its pact with Turkey with African countries. .
