A Pennsylvania, New Jersey and Delaware
Federal Criminal Defense Practice
Since 1981, attorney Mark S. Greenberg has represented thousands of clients who have faced a diverse assortment of federal criminal charges, including:
Federal Drug Charges
Mr. Greenberg has defended countless clients in federal cases involving all manner of drug-related charges and “controlled substances” such as cocaine, ecstasy, marijuana, heroin, crack, methamphetamine, LSD and Oxycontin. For more information, see:
- Drug offenses
- Possession with intent to distribute/deliver
- Drug trafficking, distribution and manufacture
- Drug conspiracy charges
- Money laundering/asset forfeiture
- Search and seizure/motions to suppress/Fourth Amendment
Federal Weapons Violations
Mr. Greenberg advises clients facing weapons charges such as using a gun in connection with a violent crime or in drug trafficking; the unlawful sale, purchase or possession of firearms, explosive devices and body armor; and bank robbery. For more information, see:
Federal Sex Crimes
Mr. Greenberg aggressively defends clients who've been charged with violating Internet and child pornography-related statutes. For more information, see:
Federal Fraud Charges
Mr. Greenberg has defended many clients against a diverse range of “white collar” criminal cases and as a lawyer, has effectively represented clients facing various types of charges, including computer fraud, credit card fraud, bank fraud, mail fraud, wire fraud, immigration fraud and health care fraud. For more information, see:
- White collar crime/fraud
- Bank fraud
- Medical insurance fraud
- Identity theft/credit card fraud
- Computer crime/cyber fraud
Post-Conviction Services
Attorney Greenberg has decades of experience handling federal criminal appeals and has successfully argued numerous cases before the Third Circuit Court of Appeals. Mr. Greenberg also assists clients by petitioning for Writs of Certiorari to the United States Supreme Court, Writs of Habeas Corpus and other forms of relief, and by working to secure leniency for his clients in the sentencing process. For more information, see:
There Is Always a Defense – Find Yours Here
To learn more about our practice areas or to schedule a professional consultation – contact us online or call attorney Mark S. Greenberg directly at either 877-297-6972 or 267-439-4879. Our offices are located in Center City, Philadelphia, but we are available to meet with you at more convenient locations as well.







