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Criminal Defense in New Hampshire & Massachusetts
Outstanding Criminal Defense 

Remove the Uncertainty, Fear, & Doubt That Come With Your Legal Troubles

Portsmouth Criminal Defense Attorney

Decades Spent Serving New Hampshire & Massachusetts

Being charged with a criminal offense can make life miserable. With a team of prosecutors and law enforcement doing everything they can to paint you as a villain, you need the help of an experienced Portsmouth criminal defense lawyer who can stand strong in defense of your rights. With nearly three decades of proven experience and a Distinguished® Rating from Martindale-Hubbell®, Attorney Sven Wiberg has the knowledge and tenacity to protect you from the devastating consequences of a conviction.

If you were charged with DWI or another serious crime, dial (603) 413-3080 to call Wiberg Law Office, PLLC today and schedule your free consultation.

Outstanding Criminal Defense You Can Rely On. 

Our Values

The Superior Choice to Represent You
  • Criminal Defense Focus With An Unmatched Depth of Knowledge
  • A Proven Track Record With Thousands Of Cases Handled
  • In-Jail Consultations & Flexible Appointment Times
  • Putting Three Decades of Experience Into Your Case

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Personalized Service. Successful Outcomes.

Once your charge has been filed with the courts, the clock starts ticking. Without a Portsmouth criminal defense lawyer on your side, you will simply stand and hear the charges against you, enter your plea, and wait to see what happens next. Wiberg Law Office, PLLC can help you craft an effective legal strategy so you can tell your side of the story in a compelling way. As your advocate, our team will go over the charges and evidence filed against you. In many cases, we can find something the prosecution missed and help you obtain a favorable outcome for your situation. Let us help you build a strong case in defense of your future.

Contact the Portsmouth criminal defense attorney at Wiberg Law Office, PLLC today by dialing (603) 413-3080.

  • Felony Criminal Threatening with a Firearm Jury Trial With Directed Verdicts of Not Guilty

    A Directed Verdict is the Holy Grail of jury trial defense. Judges are almost always asked by competent defense counsel to give directed verdicts at the end of the prosecution's case and then again at the end of all evidence. Good lawyers make the motions, despite the very low chance of success, because appellate courts will say the issue of insufficient evidence was waived for appeal, if the motions are not made at the trial level. Trial judges almost never grant such motions, especially not at the end of

  • 2 counts of Aggravated Sexual Assault Jury Verdict - Not Guilty

    Client was barely 18 (just over the age for criminal liability in New Hampshire) when he and a younger friend (under 18 and considered a juvenile) were invited to get together with a young lady who was just under the age of legal consent (16 in New Hampshire). Marijuana and alcohol were consumed and sexual activity occurred. The lady later claimed that it was forced or involuntary. Client made a voluntary statement to police without asking for a lawyer (reminder/warning: do not do this: ask for an attorney)

  • Felony Domestic Violence Jury Verdict - Not Guilty

    Client had a causal, non-romantic relationship with the accuser and she had been to his house several times (described as "hooking up"). On the last visit, he was offended by her statement and behavior and told her to leave. She refused. He attempted, with minimal force, to get her to leave. She still refused, but eventually left. She later went to the police department and reported that he had attacked her and choked her. This "strangulation" offense (with a potential penalty of up to 7 years in prison)

  • Felony Accomplice to Possession of Fentanyl Jury Verdict - Not Guilty

    Defendant was driving and pulled over by a State Trooper. Her boyfriend was in the passenger seat. He had scored and used a short time earlier and still had syringes and additional doses in his sock. He was arrested, she was allowed to drive away. Months later she was indicted as an accomplice for allegedly aiding her boyfriend's possession by driving him to where he obtained the fentanyl.


Fighting For You For Nearly Three Decades

Meet Attorney Sven Wiberg 
  • Sven  Wiberg Photo
    Sven Wiberg


    Protecting Client Rights since 1990 When fighting for your rights, count on what works to protect your future. For nearly 30 years, Attorney Sven Wiberg has provided traditional, experienced legal representation to his clients. His commitment to complete preparation and effective legal strategy has earned him a reputation throughout New Hampshire and Massachusetts as the Portsmouth criminal defense lawyer clients can trust. As a former prosecuting attorney, Mr. Wiberg understands the challenges ...
  • Winner, Association of Trial Lawyers of America Regional Trial C
  • National College for DUI Defense
  • New Hampshire Association of Criminal Defense Lawyers
  • National Association of Criminal Defense Lawyers
  • NORML Legal Committee