Founded in 1895, the Pennsylvania Bar Association strives to promote justice, professional excellence and respect for the law; improve public understanding of the legal system; facilitate access to legal services; and serve its 29,000 lawyer-members.he PBA also offers members a wealth of information through its electronic and print publications, including the award-winning The Pennsylvania Lawyer magazine that arrives in your mailbox every other month, the informative bi-monthly Pennsylvania Bar News tabloid, and the PBA e-brief electronic newsletter.