The phrase "after having expressed" is correct and usable in written English.
It can be used when indicating that something was said or communicated prior to another action or statement.
Example: "After having expressed my concerns during the meeting, I felt relieved to see the changes implemented."
Alternatives: "after expressing" or "following my expression".
After having expressed interest in parts of the unit, Bayer said yesterday that it was considering buying the whole unit.
Justice Scalia recused himself from the case after having expressed his view before the appeal reached the court that "under God" was constitutional.
Much uncertainty remained throughout the afternoon about how China, one of the Security Council's five permanent members, would vote after having expressed doubt about the referral to the international court.
After having expressed interest in this study (i.e., by phone or e-mail), participants will be contacted by phone to provide further information and to screen eligibility based on a selection of relevant questions of the MINI screening version.
All participating women were informed about the study by the peer counselors and after having expressed their willingness to participate, they were contacted by the researcher who explained the nature and purpose of the interviews in more detail.
Even if you don't give the person the letter, you will feel better after having expressed what you have been feeling and thinking.
Dan's wife also helps with the sheep and with cheesemaking, but she has a baby to look after, and, having expressed some dislike for life in the summer folds, it is uncertain how she will manage her time in future.
And we are a bit proud of their budding racial independence, since it comes after years of their having expressed feelings that ranged from "I don't want to be black" to "I hate white people".
At 66 h after PG (Day 33), heifers having expressed estrus received timed AI.
At 72 hours after PGF2α (Day 33), cows having expressed estrus received TAI; cows that failed to express estrus by 72 hours received TAI 24 hours later (96 hours after PGF2α on Day 34), with GnRH (100 μg im) administered to nonestrous cows.
The 14-mile Nordschleife circuit at the Nürburgring in the Eifel mountains, dubbed "The Green Hell" by Jackie Stewart after his win in the German Grand Prix there in 1968, ceased to be used for Formula One in 1976 after Niki Lauda's terrible accident that year and after drivers had expressed concerns over safety for some time at the circuit, including cars going airborne.
